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Commit | Line | Data |
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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
3541dc6d GA |
24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
25 | * Copyright (c) 2011 by Delphix. All rights reserved. | |
34dc7c2f BB |
26 | */ |
27 | ||
34dc7c2f BB |
28 | #include <ctype.h> |
29 | #include <errno.h> | |
30 | #include <devid.h> | |
34dc7c2f BB |
31 | #include <fcntl.h> |
32 | #include <libintl.h> | |
33 | #include <stdio.h> | |
34 | #include <stdlib.h> | |
35 | #include <strings.h> | |
36 | #include <unistd.h> | |
d603ed6c BB |
37 | #include <zone.h> |
38 | #include <sys/stat.h> | |
34dc7c2f BB |
39 | #include <sys/efi_partition.h> |
40 | #include <sys/vtoc.h> | |
41 | #include <sys/zfs_ioctl.h> | |
9babb374 | 42 | #include <dlfcn.h> |
34dc7c2f BB |
43 | |
44 | #include "zfs_namecheck.h" | |
45 | #include "zfs_prop.h" | |
46 | #include "libzfs_impl.h" | |
428870ff | 47 | #include "zfs_comutil.h" |
34dc7c2f | 48 | |
b128c09f BB |
49 | static int read_efi_label(nvlist_t *config, diskaddr_t *sb); |
50 | ||
572e2857 BB |
51 | typedef struct prop_flags { |
52 | int create:1; /* Validate property on creation */ | |
53 | int import:1; /* Validate property on import */ | |
54 | } prop_flags_t; | |
55 | ||
34dc7c2f BB |
56 | /* |
57 | * ==================================================================== | |
58 | * zpool property functions | |
59 | * ==================================================================== | |
60 | */ | |
61 | ||
62 | static int | |
63 | zpool_get_all_props(zpool_handle_t *zhp) | |
64 | { | |
2598c001 | 65 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
66 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
67 | ||
68 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
69 | ||
70 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) | |
71 | return (-1); | |
72 | ||
73 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { | |
74 | if (errno == ENOMEM) { | |
75 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
76 | zcmd_free_nvlists(&zc); | |
77 | return (-1); | |
78 | } | |
79 | } else { | |
80 | zcmd_free_nvlists(&zc); | |
81 | return (-1); | |
82 | } | |
83 | } | |
84 | ||
85 | if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { | |
86 | zcmd_free_nvlists(&zc); | |
87 | return (-1); | |
88 | } | |
89 | ||
90 | zcmd_free_nvlists(&zc); | |
91 | ||
92 | return (0); | |
93 | } | |
94 | ||
95 | static int | |
96 | zpool_props_refresh(zpool_handle_t *zhp) | |
97 | { | |
98 | nvlist_t *old_props; | |
99 | ||
100 | old_props = zhp->zpool_props; | |
101 | ||
102 | if (zpool_get_all_props(zhp) != 0) | |
103 | return (-1); | |
104 | ||
105 | nvlist_free(old_props); | |
106 | return (0); | |
107 | } | |
108 | ||
109 | static char * | |
110 | zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, | |
111 | zprop_source_t *src) | |
112 | { | |
113 | nvlist_t *nv, *nvl; | |
114 | uint64_t ival; | |
115 | char *value; | |
116 | zprop_source_t source; | |
117 | ||
118 | nvl = zhp->zpool_props; | |
119 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
120 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); | |
121 | source = ival; | |
122 | verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); | |
123 | } else { | |
124 | source = ZPROP_SRC_DEFAULT; | |
125 | if ((value = (char *)zpool_prop_default_string(prop)) == NULL) | |
126 | value = "-"; | |
127 | } | |
128 | ||
129 | if (src) | |
130 | *src = source; | |
131 | ||
132 | return (value); | |
133 | } | |
134 | ||
135 | uint64_t | |
136 | zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) | |
137 | { | |
138 | nvlist_t *nv, *nvl; | |
139 | uint64_t value; | |
140 | zprop_source_t source; | |
141 | ||
b128c09f BB |
142 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { |
143 | /* | |
144 | * zpool_get_all_props() has most likely failed because | |
145 | * the pool is faulted, but if all we need is the top level | |
146 | * vdev's guid then get it from the zhp config nvlist. | |
147 | */ | |
148 | if ((prop == ZPOOL_PROP_GUID) && | |
149 | (nvlist_lookup_nvlist(zhp->zpool_config, | |
150 | ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && | |
151 | (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) | |
152 | == 0)) { | |
153 | return (value); | |
154 | } | |
34dc7c2f | 155 | return (zpool_prop_default_numeric(prop)); |
b128c09f | 156 | } |
34dc7c2f BB |
157 | |
158 | nvl = zhp->zpool_props; | |
159 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
160 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); | |
161 | source = value; | |
162 | verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); | |
163 | } else { | |
164 | source = ZPROP_SRC_DEFAULT; | |
165 | value = zpool_prop_default_numeric(prop); | |
166 | } | |
167 | ||
168 | if (src) | |
169 | *src = source; | |
170 | ||
171 | return (value); | |
172 | } | |
173 | ||
174 | /* | |
175 | * Map VDEV STATE to printed strings. | |
176 | */ | |
177 | char * | |
178 | zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) | |
179 | { | |
180 | switch (state) { | |
e75c13c3 BB |
181 | default: |
182 | break; | |
34dc7c2f BB |
183 | case VDEV_STATE_CLOSED: |
184 | case VDEV_STATE_OFFLINE: | |
185 | return (gettext("OFFLINE")); | |
186 | case VDEV_STATE_REMOVED: | |
187 | return (gettext("REMOVED")); | |
188 | case VDEV_STATE_CANT_OPEN: | |
b128c09f | 189 | if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) |
34dc7c2f | 190 | return (gettext("FAULTED")); |
428870ff BB |
191 | else if (aux == VDEV_AUX_SPLIT_POOL) |
192 | return (gettext("SPLIT")); | |
34dc7c2f BB |
193 | else |
194 | return (gettext("UNAVAIL")); | |
195 | case VDEV_STATE_FAULTED: | |
196 | return (gettext("FAULTED")); | |
197 | case VDEV_STATE_DEGRADED: | |
198 | return (gettext("DEGRADED")); | |
199 | case VDEV_STATE_HEALTHY: | |
200 | return (gettext("ONLINE")); | |
201 | } | |
202 | ||
203 | return (gettext("UNKNOWN")); | |
204 | } | |
205 | ||
206 | /* | |
207 | * Get a zpool property value for 'prop' and return the value in | |
208 | * a pre-allocated buffer. | |
209 | */ | |
210 | int | |
211 | zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, | |
212 | zprop_source_t *srctype) | |
213 | { | |
214 | uint64_t intval; | |
215 | const char *strval; | |
216 | zprop_source_t src = ZPROP_SRC_NONE; | |
217 | nvlist_t *nvroot; | |
218 | vdev_stat_t *vs; | |
219 | uint_t vsc; | |
220 | ||
221 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
d164b209 BB |
222 | switch (prop) { |
223 | case ZPOOL_PROP_NAME: | |
34dc7c2f | 224 | (void) strlcpy(buf, zpool_get_name(zhp), len); |
d164b209 BB |
225 | break; |
226 | ||
227 | case ZPOOL_PROP_HEALTH: | |
34dc7c2f | 228 | (void) strlcpy(buf, "FAULTED", len); |
d164b209 BB |
229 | break; |
230 | ||
231 | case ZPOOL_PROP_GUID: | |
232 | intval = zpool_get_prop_int(zhp, prop, &src); | |
b8864a23 | 233 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
d164b209 BB |
234 | break; |
235 | ||
236 | case ZPOOL_PROP_ALTROOT: | |
237 | case ZPOOL_PROP_CACHEFILE: | |
d96eb2b1 | 238 | case ZPOOL_PROP_COMMENT: |
d164b209 BB |
239 | if (zhp->zpool_props != NULL || |
240 | zpool_get_all_props(zhp) == 0) { | |
241 | (void) strlcpy(buf, | |
242 | zpool_get_prop_string(zhp, prop, &src), | |
243 | len); | |
244 | if (srctype != NULL) | |
245 | *srctype = src; | |
246 | return (0); | |
247 | } | |
248 | /* FALLTHROUGH */ | |
249 | default: | |
34dc7c2f | 250 | (void) strlcpy(buf, "-", len); |
d164b209 BB |
251 | break; |
252 | } | |
253 | ||
254 | if (srctype != NULL) | |
255 | *srctype = src; | |
34dc7c2f BB |
256 | return (0); |
257 | } | |
258 | ||
259 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && | |
260 | prop != ZPOOL_PROP_NAME) | |
261 | return (-1); | |
262 | ||
263 | switch (zpool_prop_get_type(prop)) { | |
264 | case PROP_TYPE_STRING: | |
265 | (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), | |
266 | len); | |
267 | break; | |
268 | ||
269 | case PROP_TYPE_NUMBER: | |
270 | intval = zpool_get_prop_int(zhp, prop, &src); | |
271 | ||
272 | switch (prop) { | |
273 | case ZPOOL_PROP_SIZE: | |
428870ff BB |
274 | case ZPOOL_PROP_ALLOCATED: |
275 | case ZPOOL_PROP_FREE: | |
df30f566 | 276 | case ZPOOL_PROP_ASHIFT: |
34dc7c2f BB |
277 | (void) zfs_nicenum(intval, buf, len); |
278 | break; | |
279 | ||
280 | case ZPOOL_PROP_CAPACITY: | |
281 | (void) snprintf(buf, len, "%llu%%", | |
282 | (u_longlong_t)intval); | |
283 | break; | |
284 | ||
428870ff BB |
285 | case ZPOOL_PROP_DEDUPRATIO: |
286 | (void) snprintf(buf, len, "%llu.%02llux", | |
287 | (u_longlong_t)(intval / 100), | |
288 | (u_longlong_t)(intval % 100)); | |
289 | break; | |
290 | ||
34dc7c2f BB |
291 | case ZPOOL_PROP_HEALTH: |
292 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
293 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
294 | verify(nvlist_lookup_uint64_array(nvroot, | |
428870ff BB |
295 | ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) |
296 | == 0); | |
34dc7c2f BB |
297 | |
298 | (void) strlcpy(buf, zpool_state_to_name(intval, | |
299 | vs->vs_aux), len); | |
300 | break; | |
301 | default: | |
b8864a23 | 302 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
34dc7c2f BB |
303 | } |
304 | break; | |
305 | ||
306 | case PROP_TYPE_INDEX: | |
307 | intval = zpool_get_prop_int(zhp, prop, &src); | |
308 | if (zpool_prop_index_to_string(prop, intval, &strval) | |
309 | != 0) | |
310 | return (-1); | |
311 | (void) strlcpy(buf, strval, len); | |
312 | break; | |
313 | ||
314 | default: | |
315 | abort(); | |
316 | } | |
317 | ||
318 | if (srctype) | |
319 | *srctype = src; | |
320 | ||
321 | return (0); | |
322 | } | |
323 | ||
324 | /* | |
325 | * Check if the bootfs name has the same pool name as it is set to. | |
326 | * Assuming bootfs is a valid dataset name. | |
327 | */ | |
328 | static boolean_t | |
329 | bootfs_name_valid(const char *pool, char *bootfs) | |
330 | { | |
331 | int len = strlen(pool); | |
332 | ||
b128c09f | 333 | if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) |
34dc7c2f BB |
334 | return (B_FALSE); |
335 | ||
336 | if (strncmp(pool, bootfs, len) == 0 && | |
337 | (bootfs[len] == '/' || bootfs[len] == '\0')) | |
338 | return (B_TRUE); | |
339 | ||
340 | return (B_FALSE); | |
341 | } | |
342 | ||
b128c09f BB |
343 | /* |
344 | * Inspect the configuration to determine if any of the devices contain | |
345 | * an EFI label. | |
346 | */ | |
347 | static boolean_t | |
348 | pool_uses_efi(nvlist_t *config) | |
349 | { | |
350 | nvlist_t **child; | |
351 | uint_t c, children; | |
352 | ||
353 | if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, | |
354 | &child, &children) != 0) | |
355 | return (read_efi_label(config, NULL) >= 0); | |
356 | ||
357 | for (c = 0; c < children; c++) { | |
358 | if (pool_uses_efi(child[c])) | |
359 | return (B_TRUE); | |
360 | } | |
361 | return (B_FALSE); | |
362 | } | |
363 | ||
364 | static boolean_t | |
365 | pool_is_bootable(zpool_handle_t *zhp) | |
366 | { | |
367 | char bootfs[ZPOOL_MAXNAMELEN]; | |
368 | ||
369 | return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, | |
370 | sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-", | |
371 | sizeof (bootfs)) != 0); | |
372 | } | |
373 | ||
374 | ||
34dc7c2f BB |
375 | /* |
376 | * Given an nvlist of zpool properties to be set, validate that they are | |
377 | * correct, and parse any numeric properties (index, boolean, etc) if they are | |
378 | * specified as strings. | |
379 | */ | |
380 | static nvlist_t * | |
b128c09f | 381 | zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, |
572e2857 | 382 | nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) |
34dc7c2f BB |
383 | { |
384 | nvpair_t *elem; | |
385 | nvlist_t *retprops; | |
386 | zpool_prop_t prop; | |
387 | char *strval; | |
388 | uint64_t intval; | |
d96eb2b1 | 389 | char *slash, *check; |
34dc7c2f | 390 | struct stat64 statbuf; |
b128c09f BB |
391 | zpool_handle_t *zhp; |
392 | nvlist_t *nvroot; | |
34dc7c2f BB |
393 | |
394 | if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { | |
395 | (void) no_memory(hdl); | |
396 | return (NULL); | |
397 | } | |
398 | ||
399 | elem = NULL; | |
400 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
401 | const char *propname = nvpair_name(elem); | |
402 | ||
403 | /* | |
404 | * Make sure this property is valid and applies to this type. | |
405 | */ | |
406 | if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { | |
407 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
408 | "invalid property '%s'"), propname); | |
409 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
410 | goto error; | |
411 | } | |
412 | ||
413 | if (zpool_prop_readonly(prop)) { | |
414 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
415 | "is readonly"), propname); | |
416 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
417 | goto error; | |
418 | } | |
419 | ||
420 | if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, | |
421 | &strval, &intval, errbuf) != 0) | |
422 | goto error; | |
423 | ||
424 | /* | |
425 | * Perform additional checking for specific properties. | |
426 | */ | |
427 | switch (prop) { | |
e75c13c3 BB |
428 | default: |
429 | break; | |
34dc7c2f BB |
430 | case ZPOOL_PROP_VERSION: |
431 | if (intval < version || intval > SPA_VERSION) { | |
432 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
433 | "property '%s' number %d is invalid."), | |
434 | propname, intval); | |
435 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
436 | goto error; | |
437 | } | |
438 | break; | |
439 | ||
df30f566 CK |
440 | case ZPOOL_PROP_ASHIFT: |
441 | if (!flags.create) { | |
442 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
443 | "property '%s' can only be set at " | |
444 | "creation time"), propname); | |
445 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
446 | goto error; | |
447 | } | |
448 | ||
b41c9906 | 449 | if (intval != 0 && (intval < 9 || intval > 13)) { |
df30f566 CK |
450 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
451 | "property '%s' number %d is invalid."), | |
452 | propname, intval); | |
453 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
454 | goto error; | |
455 | } | |
456 | break; | |
457 | ||
34dc7c2f | 458 | case ZPOOL_PROP_BOOTFS: |
572e2857 | 459 | if (flags.create || flags.import) { |
34dc7c2f BB |
460 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
461 | "property '%s' cannot be set at creation " | |
462 | "or import time"), propname); | |
463 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
464 | goto error; | |
465 | } | |
466 | ||
467 | if (version < SPA_VERSION_BOOTFS) { | |
468 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
469 | "pool must be upgraded to support " | |
470 | "'%s' property"), propname); | |
471 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
472 | goto error; | |
473 | } | |
474 | ||
475 | /* | |
476 | * bootfs property value has to be a dataset name and | |
477 | * the dataset has to be in the same pool as it sets to. | |
478 | */ | |
479 | if (strval[0] != '\0' && !bootfs_name_valid(poolname, | |
480 | strval)) { | |
481 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
482 | "is an invalid name"), strval); | |
483 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
484 | goto error; | |
485 | } | |
b128c09f BB |
486 | |
487 | if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { | |
488 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
489 | "could not open pool '%s'"), poolname); | |
490 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
491 | goto error; | |
492 | } | |
493 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
494 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
495 | ||
f783130a | 496 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
497 | /* |
498 | * bootfs property cannot be set on a disk which has | |
499 | * been EFI labeled. | |
500 | */ | |
501 | if (pool_uses_efi(nvroot)) { | |
502 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
503 | "property '%s' not supported on " | |
504 | "EFI labeled devices"), propname); | |
505 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); | |
506 | zpool_close(zhp); | |
507 | goto error; | |
508 | } | |
f783130a | 509 | #endif |
b128c09f | 510 | zpool_close(zhp); |
34dc7c2f BB |
511 | break; |
512 | ||
513 | case ZPOOL_PROP_ALTROOT: | |
572e2857 | 514 | if (!flags.create && !flags.import) { |
34dc7c2f BB |
515 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
516 | "property '%s' can only be set during pool " | |
517 | "creation or import"), propname); | |
518 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
519 | goto error; | |
520 | } | |
521 | ||
522 | if (strval[0] != '/') { | |
523 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
524 | "bad alternate root '%s'"), strval); | |
525 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
526 | goto error; | |
527 | } | |
528 | break; | |
529 | ||
530 | case ZPOOL_PROP_CACHEFILE: | |
531 | if (strval[0] == '\0') | |
532 | break; | |
533 | ||
534 | if (strcmp(strval, "none") == 0) | |
535 | break; | |
536 | ||
537 | if (strval[0] != '/') { | |
538 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
539 | "property '%s' must be empty, an " | |
540 | "absolute path, or 'none'"), propname); | |
541 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
542 | goto error; | |
543 | } | |
544 | ||
545 | slash = strrchr(strval, '/'); | |
546 | ||
547 | if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
548 | strcmp(slash, "/..") == 0) { | |
549 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
550 | "'%s' is not a valid file"), strval); | |
551 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
552 | goto error; | |
553 | } | |
554 | ||
555 | *slash = '\0'; | |
556 | ||
557 | if (strval[0] != '\0' && | |
558 | (stat64(strval, &statbuf) != 0 || | |
559 | !S_ISDIR(statbuf.st_mode))) { | |
560 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
561 | "'%s' is not a valid directory"), | |
562 | strval); | |
563 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
564 | goto error; | |
565 | } | |
566 | ||
567 | *slash = '/'; | |
568 | break; | |
572e2857 | 569 | |
d96eb2b1 DM |
570 | case ZPOOL_PROP_COMMENT: |
571 | for (check = strval; *check != '\0'; check++) { | |
572 | if (!isprint(*check)) { | |
573 | zfs_error_aux(hdl, | |
574 | dgettext(TEXT_DOMAIN, | |
575 | "comment may only have printable " | |
576 | "characters")); | |
577 | (void) zfs_error(hdl, EZFS_BADPROP, | |
578 | errbuf); | |
579 | goto error; | |
580 | } | |
581 | } | |
582 | if (strlen(strval) > ZPROP_MAX_COMMENT) { | |
583 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
584 | "comment must not exceed %d characters"), | |
585 | ZPROP_MAX_COMMENT); | |
586 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
587 | goto error; | |
588 | } | |
589 | break; | |
572e2857 BB |
590 | case ZPOOL_PROP_READONLY: |
591 | if (!flags.import) { | |
592 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
593 | "property '%s' can only be set at " | |
594 | "import time"), propname); | |
595 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
596 | goto error; | |
597 | } | |
598 | break; | |
34dc7c2f BB |
599 | } |
600 | } | |
601 | ||
602 | return (retprops); | |
603 | error: | |
604 | nvlist_free(retprops); | |
605 | return (NULL); | |
606 | } | |
607 | ||
608 | /* | |
609 | * Set zpool property : propname=propval. | |
610 | */ | |
611 | int | |
612 | zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) | |
613 | { | |
2598c001 | 614 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
615 | int ret = -1; |
616 | char errbuf[1024]; | |
617 | nvlist_t *nvl = NULL; | |
618 | nvlist_t *realprops; | |
619 | uint64_t version; | |
572e2857 | 620 | prop_flags_t flags = { 0 }; |
34dc7c2f BB |
621 | |
622 | (void) snprintf(errbuf, sizeof (errbuf), | |
623 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
624 | zhp->zpool_name); | |
625 | ||
34dc7c2f BB |
626 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) |
627 | return (no_memory(zhp->zpool_hdl)); | |
628 | ||
629 | if (nvlist_add_string(nvl, propname, propval) != 0) { | |
630 | nvlist_free(nvl); | |
631 | return (no_memory(zhp->zpool_hdl)); | |
632 | } | |
633 | ||
634 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
b128c09f | 635 | if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, |
572e2857 | 636 | zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
637 | nvlist_free(nvl); |
638 | return (-1); | |
639 | } | |
640 | ||
641 | nvlist_free(nvl); | |
642 | nvl = realprops; | |
643 | ||
644 | /* | |
645 | * Execute the corresponding ioctl() to set this property. | |
646 | */ | |
647 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
648 | ||
649 | if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { | |
650 | nvlist_free(nvl); | |
651 | return (-1); | |
652 | } | |
653 | ||
654 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); | |
655 | ||
656 | zcmd_free_nvlists(&zc); | |
657 | nvlist_free(nvl); | |
658 | ||
659 | if (ret) | |
660 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
661 | else | |
662 | (void) zpool_props_refresh(zhp); | |
663 | ||
664 | return (ret); | |
665 | } | |
666 | ||
667 | int | |
668 | zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) | |
669 | { | |
670 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
671 | zprop_list_t *entry; | |
672 | char buf[ZFS_MAXPROPLEN]; | |
673 | ||
674 | if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) | |
675 | return (-1); | |
676 | ||
677 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { | |
678 | ||
679 | if (entry->pl_fixed) | |
680 | continue; | |
681 | ||
682 | if (entry->pl_prop != ZPROP_INVAL && | |
683 | zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), | |
684 | NULL) == 0) { | |
685 | if (strlen(buf) > entry->pl_width) | |
686 | entry->pl_width = strlen(buf); | |
687 | } | |
688 | } | |
689 | ||
690 | return (0); | |
691 | } | |
692 | ||
693 | ||
9babb374 BB |
694 | /* |
695 | * Don't start the slice at the default block of 34; many storage | |
d603ed6c BB |
696 | * devices will use a stripe width of 128k, other vendors prefer a 1m |
697 | * alignment. It is best to play it safe and ensure a 1m alignment | |
613d88ed NB |
698 | * given 512B blocks. When the block size is larger by a power of 2 |
699 | * we will still be 1m aligned. Some devices are sensitive to the | |
700 | * partition ending alignment as well. | |
9babb374 | 701 | */ |
613d88ed NB |
702 | #define NEW_START_BLOCK 2048 |
703 | #define PARTITION_END_ALIGNMENT 2048 | |
9babb374 | 704 | |
34dc7c2f BB |
705 | /* |
706 | * Validate the given pool name, optionally putting an extended error message in | |
707 | * 'buf'. | |
708 | */ | |
709 | boolean_t | |
710 | zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) | |
711 | { | |
712 | namecheck_err_t why; | |
713 | char what; | |
714 | int ret; | |
715 | ||
716 | ret = pool_namecheck(pool, &why, &what); | |
717 | ||
718 | /* | |
719 | * The rules for reserved pool names were extended at a later point. | |
720 | * But we need to support users with existing pools that may now be | |
721 | * invalid. So we only check for this expanded set of names during a | |
722 | * create (or import), and only in userland. | |
723 | */ | |
724 | if (ret == 0 && !isopen && | |
725 | (strncmp(pool, "mirror", 6) == 0 || | |
726 | strncmp(pool, "raidz", 5) == 0 || | |
727 | strncmp(pool, "spare", 5) == 0 || | |
728 | strcmp(pool, "log") == 0)) { | |
729 | if (hdl != NULL) | |
730 | zfs_error_aux(hdl, | |
731 | dgettext(TEXT_DOMAIN, "name is reserved")); | |
732 | return (B_FALSE); | |
733 | } | |
734 | ||
735 | ||
736 | if (ret != 0) { | |
737 | if (hdl != NULL) { | |
738 | switch (why) { | |
739 | case NAME_ERR_TOOLONG: | |
740 | zfs_error_aux(hdl, | |
741 | dgettext(TEXT_DOMAIN, "name is too long")); | |
742 | break; | |
743 | ||
744 | case NAME_ERR_INVALCHAR: | |
745 | zfs_error_aux(hdl, | |
746 | dgettext(TEXT_DOMAIN, "invalid character " | |
747 | "'%c' in pool name"), what); | |
748 | break; | |
749 | ||
750 | case NAME_ERR_NOLETTER: | |
751 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
752 | "name must begin with a letter")); | |
753 | break; | |
754 | ||
755 | case NAME_ERR_RESERVED: | |
756 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
757 | "name is reserved")); | |
758 | break; | |
759 | ||
760 | case NAME_ERR_DISKLIKE: | |
761 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
762 | "pool name is reserved")); | |
763 | break; | |
764 | ||
765 | case NAME_ERR_LEADING_SLASH: | |
766 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
767 | "leading slash in name")); | |
768 | break; | |
769 | ||
770 | case NAME_ERR_EMPTY_COMPONENT: | |
771 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
772 | "empty component in name")); | |
773 | break; | |
774 | ||
775 | case NAME_ERR_TRAILING_SLASH: | |
776 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
777 | "trailing slash in name")); | |
778 | break; | |
779 | ||
780 | case NAME_ERR_MULTIPLE_AT: | |
781 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
782 | "multiple '@' delimiters in name")); | |
783 | break; | |
e75c13c3 BB |
784 | case NAME_ERR_NO_AT: |
785 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
786 | "permission set is missing '@'")); | |
787 | break; | |
34dc7c2f BB |
788 | } |
789 | } | |
790 | return (B_FALSE); | |
791 | } | |
792 | ||
793 | return (B_TRUE); | |
794 | } | |
795 | ||
796 | /* | |
797 | * Open a handle to the given pool, even if the pool is currently in the FAULTED | |
798 | * state. | |
799 | */ | |
800 | zpool_handle_t * | |
801 | zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) | |
802 | { | |
803 | zpool_handle_t *zhp; | |
804 | boolean_t missing; | |
805 | ||
806 | /* | |
807 | * Make sure the pool name is valid. | |
808 | */ | |
809 | if (!zpool_name_valid(hdl, B_TRUE, pool)) { | |
810 | (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
811 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), | |
812 | pool); | |
813 | return (NULL); | |
814 | } | |
815 | ||
816 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
817 | return (NULL); | |
818 | ||
819 | zhp->zpool_hdl = hdl; | |
820 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
821 | ||
822 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
823 | zpool_close(zhp); | |
824 | return (NULL); | |
825 | } | |
826 | ||
827 | if (missing) { | |
828 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); | |
829 | (void) zfs_error_fmt(hdl, EZFS_NOENT, | |
830 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); | |
831 | zpool_close(zhp); | |
832 | return (NULL); | |
833 | } | |
834 | ||
835 | return (zhp); | |
836 | } | |
837 | ||
838 | /* | |
839 | * Like the above, but silent on error. Used when iterating over pools (because | |
840 | * the configuration cache may be out of date). | |
841 | */ | |
842 | int | |
843 | zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) | |
844 | { | |
845 | zpool_handle_t *zhp; | |
846 | boolean_t missing; | |
847 | ||
848 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
849 | return (-1); | |
850 | ||
851 | zhp->zpool_hdl = hdl; | |
852 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
853 | ||
854 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
855 | zpool_close(zhp); | |
856 | return (-1); | |
857 | } | |
858 | ||
859 | if (missing) { | |
860 | zpool_close(zhp); | |
861 | *ret = NULL; | |
862 | return (0); | |
863 | } | |
864 | ||
865 | *ret = zhp; | |
866 | return (0); | |
867 | } | |
868 | ||
869 | /* | |
870 | * Similar to zpool_open_canfail(), but refuses to open pools in the faulted | |
871 | * state. | |
872 | */ | |
873 | zpool_handle_t * | |
874 | zpool_open(libzfs_handle_t *hdl, const char *pool) | |
875 | { | |
876 | zpool_handle_t *zhp; | |
877 | ||
878 | if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) | |
879 | return (NULL); | |
880 | ||
881 | if (zhp->zpool_state == POOL_STATE_UNAVAIL) { | |
882 | (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
883 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); | |
884 | zpool_close(zhp); | |
885 | return (NULL); | |
886 | } | |
887 | ||
888 | return (zhp); | |
889 | } | |
890 | ||
891 | /* | |
892 | * Close the handle. Simply frees the memory associated with the handle. | |
893 | */ | |
894 | void | |
895 | zpool_close(zpool_handle_t *zhp) | |
896 | { | |
897 | if (zhp->zpool_config) | |
898 | nvlist_free(zhp->zpool_config); | |
899 | if (zhp->zpool_old_config) | |
900 | nvlist_free(zhp->zpool_old_config); | |
901 | if (zhp->zpool_props) | |
902 | nvlist_free(zhp->zpool_props); | |
903 | free(zhp); | |
904 | } | |
905 | ||
906 | /* | |
907 | * Return the name of the pool. | |
908 | */ | |
909 | const char * | |
910 | zpool_get_name(zpool_handle_t *zhp) | |
911 | { | |
912 | return (zhp->zpool_name); | |
913 | } | |
914 | ||
915 | ||
916 | /* | |
917 | * Return the state of the pool (ACTIVE or UNAVAILABLE) | |
918 | */ | |
919 | int | |
920 | zpool_get_state(zpool_handle_t *zhp) | |
921 | { | |
922 | return (zhp->zpool_state); | |
923 | } | |
924 | ||
925 | /* | |
926 | * Create the named pool, using the provided vdev list. It is assumed | |
927 | * that the consumer has already validated the contents of the nvlist, so we | |
928 | * don't have to worry about error semantics. | |
929 | */ | |
930 | int | |
931 | zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, | |
b128c09f | 932 | nvlist_t *props, nvlist_t *fsprops) |
34dc7c2f | 933 | { |
2598c001 | 934 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
b128c09f BB |
935 | nvlist_t *zc_fsprops = NULL; |
936 | nvlist_t *zc_props = NULL; | |
34dc7c2f BB |
937 | char msg[1024]; |
938 | char *altroot; | |
b128c09f | 939 | int ret = -1; |
34dc7c2f BB |
940 | |
941 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
942 | "cannot create '%s'"), pool); | |
943 | ||
944 | if (!zpool_name_valid(hdl, B_FALSE, pool)) | |
945 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
946 | ||
947 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
948 | return (-1); | |
949 | ||
b128c09f | 950 | if (props) { |
572e2857 BB |
951 | prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; |
952 | ||
b128c09f | 953 | if ((zc_props = zpool_valid_proplist(hdl, pool, props, |
572e2857 | 954 | SPA_VERSION_1, flags, msg)) == NULL) { |
b128c09f BB |
955 | goto create_failed; |
956 | } | |
957 | } | |
34dc7c2f | 958 | |
b128c09f BB |
959 | if (fsprops) { |
960 | uint64_t zoned; | |
961 | char *zonestr; | |
962 | ||
963 | zoned = ((nvlist_lookup_string(fsprops, | |
964 | zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && | |
965 | strcmp(zonestr, "on") == 0); | |
966 | ||
967 | if ((zc_fsprops = zfs_valid_proplist(hdl, | |
968 | ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { | |
969 | goto create_failed; | |
970 | } | |
971 | if (!zc_props && | |
972 | (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { | |
973 | goto create_failed; | |
974 | } | |
975 | if (nvlist_add_nvlist(zc_props, | |
976 | ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { | |
977 | goto create_failed; | |
978 | } | |
34dc7c2f BB |
979 | } |
980 | ||
b128c09f BB |
981 | if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) |
982 | goto create_failed; | |
983 | ||
34dc7c2f BB |
984 | (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); |
985 | ||
b128c09f | 986 | if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { |
34dc7c2f BB |
987 | |
988 | zcmd_free_nvlists(&zc); | |
b128c09f BB |
989 | nvlist_free(zc_props); |
990 | nvlist_free(zc_fsprops); | |
34dc7c2f BB |
991 | |
992 | switch (errno) { | |
993 | case EBUSY: | |
994 | /* | |
995 | * This can happen if the user has specified the same | |
996 | * device multiple times. We can't reliably detect this | |
997 | * until we try to add it and see we already have a | |
d603ed6c BB |
998 | * label. This can also happen under if the device is |
999 | * part of an active md or lvm device. | |
34dc7c2f BB |
1000 | */ |
1001 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
d603ed6c BB |
1002 | "one or more vdevs refer to the same device, or one of\n" |
1003 | "the devices is part of an active md or lvm device")); | |
34dc7c2f BB |
1004 | return (zfs_error(hdl, EZFS_BADDEV, msg)); |
1005 | ||
1006 | case EOVERFLOW: | |
1007 | /* | |
1008 | * This occurs when one of the devices is below | |
1009 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1010 | * device was the problem device since there's no | |
1011 | * reliable way to determine device size from userland. | |
1012 | */ | |
1013 | { | |
1014 | char buf[64]; | |
1015 | ||
1016 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1017 | ||
1018 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1019 | "one or more devices is less than the " | |
1020 | "minimum size (%s)"), buf); | |
1021 | } | |
1022 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1023 | ||
1024 | case ENOSPC: | |
1025 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1026 | "one or more devices is out of space")); | |
1027 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1028 | ||
1029 | case ENOTBLK: | |
1030 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1031 | "cache device must be a disk or disk slice")); | |
1032 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1033 | ||
1034 | default: | |
1035 | return (zpool_standard_error(hdl, errno, msg)); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | /* | |
1040 | * If this is an alternate root pool, then we automatically set the | |
1041 | * mountpoint of the root dataset to be '/'. | |
1042 | */ | |
1043 | if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), | |
1044 | &altroot) == 0) { | |
1045 | zfs_handle_t *zhp; | |
1046 | ||
1047 | verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); | |
1048 | verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), | |
1049 | "/") == 0); | |
1050 | ||
1051 | zfs_close(zhp); | |
1052 | } | |
1053 | ||
b128c09f | 1054 | create_failed: |
34dc7c2f | 1055 | zcmd_free_nvlists(&zc); |
b128c09f BB |
1056 | nvlist_free(zc_props); |
1057 | nvlist_free(zc_fsprops); | |
1058 | return (ret); | |
34dc7c2f BB |
1059 | } |
1060 | ||
1061 | /* | |
1062 | * Destroy the given pool. It is up to the caller to ensure that there are no | |
1063 | * datasets left in the pool. | |
1064 | */ | |
1065 | int | |
1066 | zpool_destroy(zpool_handle_t *zhp) | |
1067 | { | |
2598c001 | 1068 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
1069 | zfs_handle_t *zfp = NULL; |
1070 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1071 | char msg[1024]; | |
1072 | ||
1073 | if (zhp->zpool_state == POOL_STATE_ACTIVE && | |
572e2857 | 1074 | (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) |
34dc7c2f BB |
1075 | return (-1); |
1076 | ||
34dc7c2f BB |
1077 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
1078 | ||
572e2857 | 1079 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { |
34dc7c2f BB |
1080 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1081 | "cannot destroy '%s'"), zhp->zpool_name); | |
1082 | ||
1083 | if (errno == EROFS) { | |
1084 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1085 | "one or more devices is read only")); | |
1086 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1087 | } else { | |
1088 | (void) zpool_standard_error(hdl, errno, msg); | |
1089 | } | |
1090 | ||
1091 | if (zfp) | |
1092 | zfs_close(zfp); | |
1093 | return (-1); | |
1094 | } | |
1095 | ||
1096 | if (zfp) { | |
1097 | remove_mountpoint(zfp); | |
1098 | zfs_close(zfp); | |
1099 | } | |
1100 | ||
1101 | return (0); | |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * Add the given vdevs to the pool. The caller must have already performed the | |
1106 | * necessary verification to ensure that the vdev specification is well-formed. | |
1107 | */ | |
1108 | int | |
1109 | zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) | |
1110 | { | |
2598c001 | 1111 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
1112 | int ret; |
1113 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1114 | char msg[1024]; | |
1115 | nvlist_t **spares, **l2cache; | |
1116 | uint_t nspares, nl2cache; | |
1117 | ||
1118 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1119 | "cannot add to '%s'"), zhp->zpool_name); | |
1120 | ||
1121 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
1122 | SPA_VERSION_SPARES && | |
1123 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
1124 | &spares, &nspares) == 0) { | |
1125 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1126 | "upgraded to add hot spares")); | |
1127 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1128 | } | |
1129 | ||
b128c09f BB |
1130 | if (pool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, |
1131 | ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { | |
1132 | uint64_t s; | |
1133 | ||
1134 | for (s = 0; s < nspares; s++) { | |
1135 | char *path; | |
1136 | ||
1137 | if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, | |
1138 | &path) == 0 && pool_uses_efi(spares[s])) { | |
1139 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1140 | "device '%s' contains an EFI label and " | |
1141 | "cannot be used on root pools."), | |
428870ff BB |
1142 | zpool_vdev_name(hdl, NULL, spares[s], |
1143 | B_FALSE)); | |
b128c09f BB |
1144 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); |
1145 | } | |
1146 | } | |
1147 | } | |
1148 | ||
34dc7c2f BB |
1149 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < |
1150 | SPA_VERSION_L2CACHE && | |
1151 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
1152 | &l2cache, &nl2cache) == 0) { | |
1153 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1154 | "upgraded to add cache devices")); | |
1155 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1156 | } | |
1157 | ||
1158 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1159 | return (-1); | |
1160 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1161 | ||
572e2857 | 1162 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { |
34dc7c2f BB |
1163 | switch (errno) { |
1164 | case EBUSY: | |
1165 | /* | |
1166 | * This can happen if the user has specified the same | |
1167 | * device multiple times. We can't reliably detect this | |
1168 | * until we try to add it and see we already have a | |
1169 | * label. | |
1170 | */ | |
1171 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1172 | "one or more vdevs refer to the same device")); | |
1173 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1174 | break; | |
1175 | ||
1176 | case EOVERFLOW: | |
1177 | /* | |
1178 | * This occurrs when one of the devices is below | |
1179 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1180 | * device was the problem device since there's no | |
1181 | * reliable way to determine device size from userland. | |
1182 | */ | |
1183 | { | |
1184 | char buf[64]; | |
1185 | ||
1186 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1187 | ||
1188 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1189 | "device is less than the minimum " | |
1190 | "size (%s)"), buf); | |
1191 | } | |
1192 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1193 | break; | |
1194 | ||
1195 | case ENOTSUP: | |
1196 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1197 | "pool must be upgraded to add these vdevs")); | |
1198 | (void) zfs_error(hdl, EZFS_BADVERSION, msg); | |
1199 | break; | |
1200 | ||
1201 | case EDOM: | |
1202 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1203 | "root pool can not have multiple vdevs" | |
1204 | " or separate logs")); | |
1205 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); | |
1206 | break; | |
1207 | ||
1208 | case ENOTBLK: | |
1209 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1210 | "cache device must be a disk or disk slice")); | |
1211 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1212 | break; | |
1213 | ||
1214 | default: | |
1215 | (void) zpool_standard_error(hdl, errno, msg); | |
1216 | } | |
1217 | ||
1218 | ret = -1; | |
1219 | } else { | |
1220 | ret = 0; | |
1221 | } | |
1222 | ||
1223 | zcmd_free_nvlists(&zc); | |
1224 | ||
1225 | return (ret); | |
1226 | } | |
1227 | ||
1228 | /* | |
1229 | * Exports the pool from the system. The caller must ensure that there are no | |
1230 | * mounted datasets in the pool. | |
1231 | */ | |
1232 | int | |
fb5f0bc8 | 1233 | zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce) |
34dc7c2f | 1234 | { |
2598c001 | 1235 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
b128c09f | 1236 | char msg[1024]; |
34dc7c2f | 1237 | |
b128c09f BB |
1238 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1239 | "cannot export '%s'"), zhp->zpool_name); | |
1240 | ||
34dc7c2f | 1241 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f | 1242 | zc.zc_cookie = force; |
fb5f0bc8 | 1243 | zc.zc_guid = hardforce; |
b128c09f BB |
1244 | |
1245 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { | |
1246 | switch (errno) { | |
1247 | case EXDEV: | |
1248 | zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
1249 | "use '-f' to override the following errors:\n" | |
1250 | "'%s' has an active shared spare which could be" | |
1251 | " used by other pools once '%s' is exported."), | |
1252 | zhp->zpool_name, zhp->zpool_name); | |
1253 | return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, | |
1254 | msg)); | |
1255 | default: | |
1256 | return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, | |
1257 | msg)); | |
1258 | } | |
1259 | } | |
34dc7c2f | 1260 | |
34dc7c2f BB |
1261 | return (0); |
1262 | } | |
1263 | ||
fb5f0bc8 BB |
1264 | int |
1265 | zpool_export(zpool_handle_t *zhp, boolean_t force) | |
1266 | { | |
1267 | return (zpool_export_common(zhp, force, B_FALSE)); | |
1268 | } | |
1269 | ||
1270 | int | |
1271 | zpool_export_force(zpool_handle_t *zhp) | |
1272 | { | |
1273 | return (zpool_export_common(zhp, B_TRUE, B_TRUE)); | |
1274 | } | |
1275 | ||
428870ff BB |
1276 | static void |
1277 | zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, | |
572e2857 | 1278 | nvlist_t *config) |
428870ff | 1279 | { |
572e2857 | 1280 | nvlist_t *nv = NULL; |
428870ff BB |
1281 | uint64_t rewindto; |
1282 | int64_t loss = -1; | |
1283 | struct tm t; | |
1284 | char timestr[128]; | |
1285 | ||
572e2857 BB |
1286 | if (!hdl->libzfs_printerr || config == NULL) |
1287 | return; | |
1288 | ||
1289 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0) | |
428870ff BB |
1290 | return; |
1291 | ||
572e2857 | 1292 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) |
428870ff | 1293 | return; |
572e2857 | 1294 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
428870ff BB |
1295 | |
1296 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1297 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1298 | if (dryrun) { |
1299 | (void) printf(dgettext(TEXT_DOMAIN, | |
1300 | "Would be able to return %s " | |
1301 | "to its state as of %s.\n"), | |
1302 | name, timestr); | |
1303 | } else { | |
1304 | (void) printf(dgettext(TEXT_DOMAIN, | |
1305 | "Pool %s returned to its state as of %s.\n"), | |
1306 | name, timestr); | |
1307 | } | |
1308 | if (loss > 120) { | |
1309 | (void) printf(dgettext(TEXT_DOMAIN, | |
1310 | "%s approximately %lld "), | |
1311 | dryrun ? "Would discard" : "Discarded", | |
b8864a23 | 1312 | ((longlong_t)loss + 30) / 60); |
428870ff BB |
1313 | (void) printf(dgettext(TEXT_DOMAIN, |
1314 | "minutes of transactions.\n")); | |
1315 | } else if (loss > 0) { | |
1316 | (void) printf(dgettext(TEXT_DOMAIN, | |
1317 | "%s approximately %lld "), | |
b8864a23 BB |
1318 | dryrun ? "Would discard" : "Discarded", |
1319 | (longlong_t)loss); | |
428870ff BB |
1320 | (void) printf(dgettext(TEXT_DOMAIN, |
1321 | "seconds of transactions.\n")); | |
1322 | } | |
1323 | } | |
1324 | } | |
1325 | ||
1326 | void | |
1327 | zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, | |
1328 | nvlist_t *config) | |
1329 | { | |
572e2857 | 1330 | nvlist_t *nv = NULL; |
428870ff BB |
1331 | int64_t loss = -1; |
1332 | uint64_t edata = UINT64_MAX; | |
1333 | uint64_t rewindto; | |
1334 | struct tm t; | |
1335 | char timestr[128]; | |
1336 | ||
1337 | if (!hdl->libzfs_printerr) | |
1338 | return; | |
1339 | ||
1340 | if (reason >= 0) | |
1341 | (void) printf(dgettext(TEXT_DOMAIN, "action: ")); | |
1342 | else | |
1343 | (void) printf(dgettext(TEXT_DOMAIN, "\t")); | |
1344 | ||
1345 | /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ | |
572e2857 BB |
1346 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || |
1347 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) | |
428870ff BB |
1348 | goto no_info; |
1349 | ||
572e2857 BB |
1350 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
1351 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, | |
428870ff BB |
1352 | &edata); |
1353 | ||
1354 | (void) printf(dgettext(TEXT_DOMAIN, | |
1355 | "Recovery is possible, but will result in some data loss.\n")); | |
1356 | ||
1357 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1358 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1359 | (void) printf(dgettext(TEXT_DOMAIN, |
1360 | "\tReturning the pool to its state as of %s\n" | |
1361 | "\tshould correct the problem. "), | |
1362 | timestr); | |
1363 | } else { | |
1364 | (void) printf(dgettext(TEXT_DOMAIN, | |
1365 | "\tReverting the pool to an earlier state " | |
1366 | "should correct the problem.\n\t")); | |
1367 | } | |
1368 | ||
1369 | if (loss > 120) { | |
1370 | (void) printf(dgettext(TEXT_DOMAIN, | |
1371 | "Approximately %lld minutes of data\n" | |
b8864a23 BB |
1372 | "\tmust be discarded, irreversibly. "), |
1373 | ((longlong_t)loss + 30) / 60); | |
428870ff BB |
1374 | } else if (loss > 0) { |
1375 | (void) printf(dgettext(TEXT_DOMAIN, | |
1376 | "Approximately %lld seconds of data\n" | |
b8864a23 BB |
1377 | "\tmust be discarded, irreversibly. "), |
1378 | (longlong_t)loss); | |
428870ff BB |
1379 | } |
1380 | if (edata != 0 && edata != UINT64_MAX) { | |
1381 | if (edata == 1) { | |
1382 | (void) printf(dgettext(TEXT_DOMAIN, | |
1383 | "After rewind, at least\n" | |
1384 | "\tone persistent user-data error will remain. ")); | |
1385 | } else { | |
1386 | (void) printf(dgettext(TEXT_DOMAIN, | |
1387 | "After rewind, several\n" | |
1388 | "\tpersistent user-data errors will remain. ")); | |
1389 | } | |
1390 | } | |
1391 | (void) printf(dgettext(TEXT_DOMAIN, | |
1392 | "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), | |
1393 | reason >= 0 ? "clear" : "import", name); | |
1394 | ||
1395 | (void) printf(dgettext(TEXT_DOMAIN, | |
1396 | "A scrub of the pool\n" | |
1397 | "\tis strongly recommended after recovery.\n")); | |
1398 | return; | |
1399 | ||
1400 | no_info: | |
1401 | (void) printf(dgettext(TEXT_DOMAIN, | |
1402 | "Destroy and re-create the pool from\n\ta backup source.\n")); | |
1403 | } | |
1404 | ||
34dc7c2f BB |
1405 | /* |
1406 | * zpool_import() is a contracted interface. Should be kept the same | |
1407 | * if possible. | |
1408 | * | |
1409 | * Applications should use zpool_import_props() to import a pool with | |
1410 | * new properties value to be set. | |
1411 | */ | |
1412 | int | |
1413 | zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
1414 | char *altroot) | |
1415 | { | |
1416 | nvlist_t *props = NULL; | |
1417 | int ret; | |
1418 | ||
1419 | if (altroot != NULL) { | |
1420 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
1421 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1422 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1423 | newname)); | |
1424 | } | |
1425 | ||
1426 | if (nvlist_add_string(props, | |
fb5f0bc8 BB |
1427 | zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || |
1428 | nvlist_add_string(props, | |
1429 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { | |
34dc7c2f BB |
1430 | nvlist_free(props); |
1431 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1432 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1433 | newname)); | |
1434 | } | |
1435 | } | |
1436 | ||
572e2857 BB |
1437 | ret = zpool_import_props(hdl, config, newname, props, |
1438 | ZFS_IMPORT_NORMAL); | |
34dc7c2f BB |
1439 | if (props) |
1440 | nvlist_free(props); | |
1441 | return (ret); | |
1442 | } | |
1443 | ||
572e2857 BB |
1444 | static void |
1445 | print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, | |
1446 | int indent) | |
1447 | { | |
1448 | nvlist_t **child; | |
1449 | uint_t c, children; | |
1450 | char *vname; | |
1451 | uint64_t is_log = 0; | |
1452 | ||
1453 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, | |
1454 | &is_log); | |
1455 | ||
1456 | if (name != NULL) | |
1457 | (void) printf("\t%*s%s%s\n", indent, "", name, | |
1458 | is_log ? " [log]" : ""); | |
1459 | ||
1460 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1461 | &child, &children) != 0) | |
1462 | return; | |
1463 | ||
1464 | for (c = 0; c < children; c++) { | |
1465 | vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); | |
1466 | print_vdev_tree(hdl, vname, child[c], indent + 2); | |
1467 | free(vname); | |
1468 | } | |
1469 | } | |
1470 | ||
34dc7c2f BB |
1471 | /* |
1472 | * Import the given pool using the known configuration and a list of | |
1473 | * properties to be set. The configuration should have come from | |
1474 | * zpool_find_import(). The 'newname' parameters control whether the pool | |
1475 | * is imported with a different name. | |
1476 | */ | |
1477 | int | |
1478 | zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
572e2857 | 1479 | nvlist_t *props, int flags) |
34dc7c2f | 1480 | { |
2598c001 | 1481 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
428870ff | 1482 | zpool_rewind_policy_t policy; |
572e2857 BB |
1483 | nvlist_t *nv = NULL; |
1484 | nvlist_t *nvinfo = NULL; | |
1485 | nvlist_t *missing = NULL; | |
34dc7c2f BB |
1486 | char *thename; |
1487 | char *origname; | |
1488 | int ret; | |
572e2857 | 1489 | int error = 0; |
34dc7c2f BB |
1490 | char errbuf[1024]; |
1491 | ||
1492 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, | |
1493 | &origname) == 0); | |
1494 | ||
1495 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1496 | "cannot import pool '%s'"), origname); | |
1497 | ||
1498 | if (newname != NULL) { | |
1499 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
1500 | return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1501 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1502 | newname)); | |
1503 | thename = (char *)newname; | |
1504 | } else { | |
1505 | thename = origname; | |
1506 | } | |
1507 | ||
1508 | if (props) { | |
1509 | uint64_t version; | |
572e2857 | 1510 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
34dc7c2f BB |
1511 | |
1512 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, | |
1513 | &version) == 0); | |
1514 | ||
b128c09f | 1515 | if ((props = zpool_valid_proplist(hdl, origname, |
572e2857 | 1516 | props, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
1517 | return (-1); |
1518 | } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { | |
1519 | nvlist_free(props); | |
1520 | return (-1); | |
1521 | } | |
1522 | } | |
1523 | ||
1524 | (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); | |
1525 | ||
1526 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, | |
1527 | &zc.zc_guid) == 0); | |
1528 | ||
1529 | if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { | |
1530 | nvlist_free(props); | |
1531 | return (-1); | |
1532 | } | |
572e2857 | 1533 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { |
428870ff BB |
1534 | nvlist_free(props); |
1535 | return (-1); | |
1536 | } | |
34dc7c2f | 1537 | |
572e2857 BB |
1538 | zc.zc_cookie = flags; |
1539 | while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && | |
1540 | errno == ENOMEM) { | |
1541 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
1542 | zcmd_free_nvlists(&zc); | |
1543 | return (-1); | |
1544 | } | |
1545 | } | |
1546 | if (ret != 0) | |
1547 | error = errno; | |
1548 | ||
1549 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); | |
1550 | zpool_get_rewind_policy(config, &policy); | |
1551 | ||
1552 | if (error) { | |
34dc7c2f | 1553 | char desc[1024]; |
428870ff | 1554 | |
428870ff BB |
1555 | /* |
1556 | * Dry-run failed, but we print out what success | |
1557 | * looks like if we found a best txg | |
1558 | */ | |
572e2857 | 1559 | if (policy.zrp_request & ZPOOL_TRY_REWIND) { |
428870ff | 1560 | zpool_rewind_exclaim(hdl, newname ? origname : thename, |
572e2857 BB |
1561 | B_TRUE, nv); |
1562 | nvlist_free(nv); | |
428870ff BB |
1563 | return (-1); |
1564 | } | |
1565 | ||
34dc7c2f BB |
1566 | if (newname == NULL) |
1567 | (void) snprintf(desc, sizeof (desc), | |
1568 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1569 | thename); | |
1570 | else | |
1571 | (void) snprintf(desc, sizeof (desc), | |
1572 | dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), | |
1573 | origname, thename); | |
1574 | ||
572e2857 | 1575 | switch (error) { |
34dc7c2f BB |
1576 | case ENOTSUP: |
1577 | /* | |
1578 | * Unsupported version. | |
1579 | */ | |
1580 | (void) zfs_error(hdl, EZFS_BADVERSION, desc); | |
1581 | break; | |
1582 | ||
1583 | case EINVAL: | |
1584 | (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); | |
1585 | break; | |
1586 | ||
428870ff BB |
1587 | case EROFS: |
1588 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1589 | "one or more devices is read only")); | |
1590 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1591 | break; | |
1592 | ||
572e2857 BB |
1593 | case ENXIO: |
1594 | if (nv && nvlist_lookup_nvlist(nv, | |
1595 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
1596 | nvlist_lookup_nvlist(nvinfo, | |
1597 | ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { | |
1598 | (void) printf(dgettext(TEXT_DOMAIN, | |
1599 | "The devices below are missing, use " | |
1600 | "'-m' to import the pool anyway:\n")); | |
1601 | print_vdev_tree(hdl, NULL, missing, 2); | |
1602 | (void) printf("\n"); | |
1603 | } | |
1604 | (void) zpool_standard_error(hdl, error, desc); | |
1605 | break; | |
1606 | ||
1607 | case EEXIST: | |
1608 | (void) zpool_standard_error(hdl, error, desc); | |
1609 | break; | |
1610 | ||
abe5b8fb BB |
1611 | case EBUSY: |
1612 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1613 | "one or more devices are already in use\n")); | |
1614 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1615 | break; | |
1616 | ||
34dc7c2f | 1617 | default: |
572e2857 | 1618 | (void) zpool_standard_error(hdl, error, desc); |
428870ff | 1619 | zpool_explain_recover(hdl, |
572e2857 | 1620 | newname ? origname : thename, -error, nv); |
428870ff | 1621 | break; |
34dc7c2f BB |
1622 | } |
1623 | ||
572e2857 | 1624 | nvlist_free(nv); |
34dc7c2f BB |
1625 | ret = -1; |
1626 | } else { | |
1627 | zpool_handle_t *zhp; | |
1628 | ||
1629 | /* | |
1630 | * This should never fail, but play it safe anyway. | |
1631 | */ | |
428870ff | 1632 | if (zpool_open_silent(hdl, thename, &zhp) != 0) |
34dc7c2f | 1633 | ret = -1; |
428870ff | 1634 | else if (zhp != NULL) |
34dc7c2f | 1635 | zpool_close(zhp); |
428870ff BB |
1636 | if (policy.zrp_request & |
1637 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
1638 | zpool_rewind_exclaim(hdl, newname ? origname : thename, | |
572e2857 | 1639 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); |
34dc7c2f | 1640 | } |
572e2857 | 1641 | nvlist_free(nv); |
428870ff | 1642 | return (0); |
34dc7c2f BB |
1643 | } |
1644 | ||
1645 | zcmd_free_nvlists(&zc); | |
1646 | nvlist_free(props); | |
1647 | ||
1648 | return (ret); | |
1649 | } | |
1650 | ||
1651 | /* | |
428870ff | 1652 | * Scan the pool. |
34dc7c2f BB |
1653 | */ |
1654 | int | |
428870ff | 1655 | zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) |
34dc7c2f | 1656 | { |
2598c001 | 1657 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
1658 | char msg[1024]; |
1659 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1660 | ||
1661 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
428870ff | 1662 | zc.zc_cookie = func; |
34dc7c2f | 1663 | |
572e2857 | 1664 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || |
428870ff | 1665 | (errno == ENOENT && func != POOL_SCAN_NONE)) |
34dc7c2f BB |
1666 | return (0); |
1667 | ||
428870ff BB |
1668 | if (func == POOL_SCAN_SCRUB) { |
1669 | (void) snprintf(msg, sizeof (msg), | |
1670 | dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); | |
1671 | } else if (func == POOL_SCAN_NONE) { | |
1672 | (void) snprintf(msg, sizeof (msg), | |
1673 | dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), | |
1674 | zc.zc_name); | |
1675 | } else { | |
1676 | assert(!"unexpected result"); | |
1677 | } | |
34dc7c2f | 1678 | |
428870ff BB |
1679 | if (errno == EBUSY) { |
1680 | nvlist_t *nvroot; | |
1681 | pool_scan_stat_t *ps = NULL; | |
1682 | uint_t psc; | |
1683 | ||
1684 | verify(nvlist_lookup_nvlist(zhp->zpool_config, | |
1685 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
1686 | (void) nvlist_lookup_uint64_array(nvroot, | |
1687 | ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); | |
1688 | if (ps && ps->pss_func == POOL_SCAN_SCRUB) | |
1689 | return (zfs_error(hdl, EZFS_SCRUBBING, msg)); | |
1690 | else | |
1691 | return (zfs_error(hdl, EZFS_RESILVERING, msg)); | |
1692 | } else if (errno == ENOENT) { | |
1693 | return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); | |
1694 | } else { | |
34dc7c2f | 1695 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff BB |
1696 | } |
1697 | } | |
1698 | ||
34dc7c2f | 1699 | /* |
9babb374 BB |
1700 | * Find a vdev that matches the search criteria specified. We use the |
1701 | * the nvpair name to determine how we should look for the device. | |
34dc7c2f BB |
1702 | * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL |
1703 | * spare; but FALSE if its an INUSE spare. | |
1704 | */ | |
1705 | static nvlist_t * | |
9babb374 BB |
1706 | vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, |
1707 | boolean_t *l2cache, boolean_t *log) | |
34dc7c2f BB |
1708 | { |
1709 | uint_t c, children; | |
1710 | nvlist_t **child; | |
34dc7c2f | 1711 | nvlist_t *ret; |
b128c09f | 1712 | uint64_t is_log; |
9babb374 BB |
1713 | char *srchkey; |
1714 | nvpair_t *pair = nvlist_next_nvpair(search, NULL); | |
1715 | ||
1716 | /* Nothing to look for */ | |
1717 | if (search == NULL || pair == NULL) | |
1718 | return (NULL); | |
1719 | ||
1720 | /* Obtain the key we will use to search */ | |
1721 | srchkey = nvpair_name(pair); | |
1722 | ||
1723 | switch (nvpair_type(pair)) { | |
572e2857 | 1724 | case DATA_TYPE_UINT64: |
9babb374 | 1725 | if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { |
572e2857 BB |
1726 | uint64_t srchval, theguid; |
1727 | ||
1728 | verify(nvpair_value_uint64(pair, &srchval) == 0); | |
1729 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
1730 | &theguid) == 0); | |
1731 | if (theguid == srchval) | |
1732 | return (nv); | |
9babb374 BB |
1733 | } |
1734 | break; | |
9babb374 BB |
1735 | |
1736 | case DATA_TYPE_STRING: { | |
1737 | char *srchval, *val; | |
1738 | ||
1739 | verify(nvpair_value_string(pair, &srchval) == 0); | |
1740 | if (nvlist_lookup_string(nv, srchkey, &val) != 0) | |
1741 | break; | |
34dc7c2f | 1742 | |
9babb374 | 1743 | /* |
428870ff BB |
1744 | * Search for the requested value. Special cases: |
1745 | * | |
a2c6816c NB |
1746 | * - ZPOOL_CONFIG_PATH for whole disk entries. These end in with a |
1747 | * partition suffix "1", "-part1", or "p1". The suffix is hidden | |
1748 | * from the user, but included in the string, so this matches around | |
1749 | * it. | |
428870ff BB |
1750 | * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). |
1751 | * | |
1752 | * Otherwise, all other searches are simple string compares. | |
9babb374 | 1753 | */ |
a2c6816c | 1754 | if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0) { |
9babb374 BB |
1755 | uint64_t wholedisk = 0; |
1756 | ||
1757 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
1758 | &wholedisk); | |
1759 | if (wholedisk) { | |
a2c6816c | 1760 | char buf[MAXPATHLEN]; |
428870ff | 1761 | |
a2c6816c NB |
1762 | zfs_append_partition(srchval, buf, sizeof (buf)); |
1763 | if (strcmp(val, buf) == 0) | |
428870ff BB |
1764 | return (nv); |
1765 | ||
9babb374 BB |
1766 | break; |
1767 | } | |
428870ff BB |
1768 | } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { |
1769 | char *type, *idx, *end, *p; | |
1770 | uint64_t id, vdev_id; | |
1771 | ||
1772 | /* | |
1773 | * Determine our vdev type, keeping in mind | |
1774 | * that the srchval is composed of a type and | |
1775 | * vdev id pair (i.e. mirror-4). | |
1776 | */ | |
1777 | if ((type = strdup(srchval)) == NULL) | |
1778 | return (NULL); | |
1779 | ||
1780 | if ((p = strrchr(type, '-')) == NULL) { | |
1781 | free(type); | |
1782 | break; | |
1783 | } | |
1784 | idx = p + 1; | |
1785 | *p = '\0'; | |
1786 | ||
1787 | /* | |
1788 | * If the types don't match then keep looking. | |
1789 | */ | |
1790 | if (strncmp(val, type, strlen(val)) != 0) { | |
1791 | free(type); | |
1792 | break; | |
1793 | } | |
1794 | ||
1795 | verify(strncmp(type, VDEV_TYPE_RAIDZ, | |
1796 | strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
1797 | strncmp(type, VDEV_TYPE_MIRROR, | |
1798 | strlen(VDEV_TYPE_MIRROR)) == 0); | |
1799 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
1800 | &id) == 0); | |
1801 | ||
1802 | errno = 0; | |
1803 | vdev_id = strtoull(idx, &end, 10); | |
1804 | ||
1805 | free(type); | |
1806 | if (errno != 0) | |
1807 | return (NULL); | |
1808 | ||
1809 | /* | |
1810 | * Now verify that we have the correct vdev id. | |
1811 | */ | |
1812 | if (vdev_id == id) | |
1813 | return (nv); | |
9babb374 | 1814 | } |
34dc7c2f | 1815 | |
34dc7c2f | 1816 | /* |
9babb374 | 1817 | * Common case |
34dc7c2f | 1818 | */ |
9babb374 | 1819 | if (strcmp(srchval, val) == 0) |
34dc7c2f | 1820 | return (nv); |
9babb374 BB |
1821 | break; |
1822 | } | |
1823 | ||
1824 | default: | |
1825 | break; | |
34dc7c2f BB |
1826 | } |
1827 | ||
1828 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1829 | &child, &children) != 0) | |
1830 | return (NULL); | |
1831 | ||
b128c09f | 1832 | for (c = 0; c < children; c++) { |
9babb374 | 1833 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f BB |
1834 | avail_spare, l2cache, NULL)) != NULL) { |
1835 | /* | |
1836 | * The 'is_log' value is only set for the toplevel | |
1837 | * vdev, not the leaf vdevs. So we always lookup the | |
1838 | * log device from the root of the vdev tree (where | |
1839 | * 'log' is non-NULL). | |
1840 | */ | |
1841 | if (log != NULL && | |
1842 | nvlist_lookup_uint64(child[c], | |
1843 | ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && | |
1844 | is_log) { | |
1845 | *log = B_TRUE; | |
1846 | } | |
34dc7c2f | 1847 | return (ret); |
b128c09f BB |
1848 | } |
1849 | } | |
34dc7c2f BB |
1850 | |
1851 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
1852 | &child, &children) == 0) { | |
1853 | for (c = 0; c < children; c++) { | |
9babb374 | 1854 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 1855 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
1856 | *avail_spare = B_TRUE; |
1857 | return (ret); | |
1858 | } | |
1859 | } | |
1860 | } | |
1861 | ||
1862 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
1863 | &child, &children) == 0) { | |
1864 | for (c = 0; c < children; c++) { | |
9babb374 | 1865 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 1866 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
1867 | *l2cache = B_TRUE; |
1868 | return (ret); | |
1869 | } | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | return (NULL); | |
1874 | } | |
1875 | ||
9babb374 BB |
1876 | /* |
1877 | * Given a physical path (minus the "/devices" prefix), find the | |
1878 | * associated vdev. | |
1879 | */ | |
1880 | nvlist_t * | |
1881 | zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, | |
1882 | boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) | |
1883 | { | |
1884 | nvlist_t *search, *nvroot, *ret; | |
1885 | ||
1886 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
1887 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); | |
1888 | ||
1889 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
1890 | &nvroot) == 0); | |
1891 | ||
1892 | *avail_spare = B_FALSE; | |
572e2857 BB |
1893 | *l2cache = B_FALSE; |
1894 | if (log != NULL) | |
1895 | *log = B_FALSE; | |
9babb374 BB |
1896 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
1897 | nvlist_free(search); | |
1898 | ||
1899 | return (ret); | |
1900 | } | |
1901 | ||
428870ff BB |
1902 | /* |
1903 | * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). | |
1904 | */ | |
1905 | boolean_t | |
1906 | zpool_vdev_is_interior(const char *name) | |
1907 | { | |
1908 | if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
1909 | strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) | |
1910 | return (B_TRUE); | |
1911 | return (B_FALSE); | |
1912 | } | |
1913 | ||
34dc7c2f BB |
1914 | nvlist_t * |
1915 | zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, | |
b128c09f | 1916 | boolean_t *l2cache, boolean_t *log) |
34dc7c2f BB |
1917 | { |
1918 | char buf[MAXPATHLEN]; | |
34dc7c2f | 1919 | char *end; |
9babb374 | 1920 | nvlist_t *nvroot, *search, *ret; |
34dc7c2f BB |
1921 | uint64_t guid; |
1922 | ||
9babb374 BB |
1923 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
1924 | ||
34dc7c2f BB |
1925 | guid = strtoull(path, &end, 10); |
1926 | if (guid != 0 && *end == '\0') { | |
9babb374 | 1927 | verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); |
428870ff BB |
1928 | } else if (zpool_vdev_is_interior(path)) { |
1929 | verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); | |
34dc7c2f | 1930 | } else if (path[0] != '/') { |
a2c6816c NB |
1931 | if (zfs_resolve_shortname(path, buf, sizeof (buf)) < 0) { |
1932 | nvlist_free(search); | |
1933 | return (NULL); | |
1934 | } | |
9babb374 | 1935 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0); |
34dc7c2f | 1936 | } else { |
9babb374 | 1937 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); |
34dc7c2f BB |
1938 | } |
1939 | ||
1940 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
1941 | &nvroot) == 0); | |
1942 | ||
1943 | *avail_spare = B_FALSE; | |
1944 | *l2cache = B_FALSE; | |
b128c09f BB |
1945 | if (log != NULL) |
1946 | *log = B_FALSE; | |
9babb374 BB |
1947 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
1948 | nvlist_free(search); | |
1949 | ||
1950 | return (ret); | |
b128c09f BB |
1951 | } |
1952 | ||
1953 | static int | |
1954 | vdev_online(nvlist_t *nv) | |
1955 | { | |
1956 | uint64_t ival; | |
1957 | ||
1958 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
1959 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
1960 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
1961 | return (0); | |
1962 | ||
1963 | return (1); | |
1964 | } | |
1965 | ||
1966 | /* | |
9babb374 | 1967 | * Helper function for zpool_get_physpaths(). |
b128c09f | 1968 | */ |
9babb374 BB |
1969 | static int |
1970 | vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, | |
1971 | size_t *bytes_written) | |
1972 | { | |
1973 | size_t bytes_left, pos, rsz; | |
1974 | char *tmppath; | |
1975 | const char *format; | |
1976 | ||
1977 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, | |
1978 | &tmppath) != 0) | |
1979 | return (EZFS_NODEVICE); | |
1980 | ||
1981 | pos = *bytes_written; | |
1982 | bytes_left = physpath_size - pos; | |
1983 | format = (pos == 0) ? "%s" : " %s"; | |
1984 | ||
1985 | rsz = snprintf(physpath + pos, bytes_left, format, tmppath); | |
1986 | *bytes_written += rsz; | |
1987 | ||
1988 | if (rsz >= bytes_left) { | |
1989 | /* if physpath was not copied properly, clear it */ | |
1990 | if (bytes_left != 0) { | |
1991 | physpath[pos] = 0; | |
1992 | } | |
1993 | return (EZFS_NOSPC); | |
1994 | } | |
1995 | return (0); | |
1996 | } | |
1997 | ||
1998 | static int | |
1999 | vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, | |
2000 | size_t *rsz, boolean_t is_spare) | |
2001 | { | |
2002 | char *type; | |
2003 | int ret; | |
2004 | ||
2005 | if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) | |
2006 | return (EZFS_INVALCONFIG); | |
2007 | ||
2008 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
2009 | /* | |
2010 | * An active spare device has ZPOOL_CONFIG_IS_SPARE set. | |
2011 | * For a spare vdev, we only want to boot from the active | |
2012 | * spare device. | |
2013 | */ | |
2014 | if (is_spare) { | |
2015 | uint64_t spare = 0; | |
2016 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, | |
2017 | &spare); | |
2018 | if (!spare) | |
2019 | return (EZFS_INVALCONFIG); | |
2020 | } | |
2021 | ||
2022 | if (vdev_online(nv)) { | |
2023 | if ((ret = vdev_get_one_physpath(nv, physpath, | |
2024 | phypath_size, rsz)) != 0) | |
2025 | return (ret); | |
2026 | } | |
2027 | } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || | |
2028 | strcmp(type, VDEV_TYPE_REPLACING) == 0 || | |
2029 | (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { | |
2030 | nvlist_t **child; | |
2031 | uint_t count; | |
2032 | int i, ret; | |
2033 | ||
2034 | if (nvlist_lookup_nvlist_array(nv, | |
2035 | ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) | |
2036 | return (EZFS_INVALCONFIG); | |
2037 | ||
2038 | for (i = 0; i < count; i++) { | |
2039 | ret = vdev_get_physpaths(child[i], physpath, | |
2040 | phypath_size, rsz, is_spare); | |
2041 | if (ret == EZFS_NOSPC) | |
2042 | return (ret); | |
2043 | } | |
2044 | } | |
2045 | ||
2046 | return (EZFS_POOL_INVALARG); | |
2047 | } | |
2048 | ||
2049 | /* | |
2050 | * Get phys_path for a root pool config. | |
2051 | * Return 0 on success; non-zero on failure. | |
2052 | */ | |
2053 | static int | |
2054 | zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) | |
b128c09f | 2055 | { |
9babb374 | 2056 | size_t rsz; |
b128c09f BB |
2057 | nvlist_t *vdev_root; |
2058 | nvlist_t **child; | |
2059 | uint_t count; | |
9babb374 | 2060 | char *type; |
b128c09f | 2061 | |
9babb374 | 2062 | rsz = 0; |
b128c09f | 2063 | |
9babb374 BB |
2064 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
2065 | &vdev_root) != 0) | |
2066 | return (EZFS_INVALCONFIG); | |
b128c09f | 2067 | |
9babb374 BB |
2068 | if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || |
2069 | nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, | |
b128c09f | 2070 | &child, &count) != 0) |
9babb374 | 2071 | return (EZFS_INVALCONFIG); |
b128c09f | 2072 | |
9babb374 BB |
2073 | /* |
2074 | * root pool can not have EFI labeled disks and can only have | |
2075 | * a single top-level vdev. | |
2076 | */ | |
2077 | if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || | |
2078 | pool_uses_efi(vdev_root)) | |
2079 | return (EZFS_POOL_INVALARG); | |
b128c09f | 2080 | |
9babb374 BB |
2081 | (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, |
2082 | B_FALSE); | |
2083 | ||
2084 | /* No online devices */ | |
2085 | if (rsz == 0) | |
2086 | return (EZFS_NODEVICE); | |
b128c09f BB |
2087 | |
2088 | return (0); | |
34dc7c2f BB |
2089 | } |
2090 | ||
9babb374 BB |
2091 | /* |
2092 | * Get phys_path for a root pool | |
2093 | * Return 0 on success; non-zero on failure. | |
2094 | */ | |
2095 | int | |
2096 | zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) | |
2097 | { | |
2098 | return (zpool_get_config_physpath(zhp->zpool_config, physpath, | |
2099 | phypath_size)); | |
2100 | } | |
2101 | ||
9babb374 BB |
2102 | /* |
2103 | * If the device has being dynamically expanded then we need to relabel | |
2104 | * the disk to use the new unallocated space. | |
2105 | */ | |
2106 | static int | |
8adf4864 | 2107 | zpool_relabel_disk(libzfs_handle_t *hdl, const char *path, const char *msg) |
9babb374 | 2108 | { |
9babb374 | 2109 | int fd, error; |
9babb374 | 2110 | |
d603ed6c | 2111 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) { |
9babb374 | 2112 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
109491a8 | 2113 | "relabel '%s': unable to open device: %d"), path, errno); |
8adf4864 | 2114 | return (zfs_error(hdl, EZFS_OPENFAILED, msg)); |
9babb374 BB |
2115 | } |
2116 | ||
2117 | /* | |
2118 | * It's possible that we might encounter an error if the device | |
2119 | * does not have any unallocated space left. If so, we simply | |
2120 | * ignore that error and continue on. | |
b5a28807 ED |
2121 | * |
2122 | * Also, we don't call efi_rescan() - that would just return EBUSY. | |
2123 | * The module will do it for us in vdev_disk_open(). | |
9babb374 | 2124 | */ |
d603ed6c | 2125 | error = efi_use_whole_disk(fd); |
9babb374 BB |
2126 | (void) close(fd); |
2127 | if (error && error != VT_ENOSPC) { | |
2128 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " | |
d603ed6c | 2129 | "relabel '%s': unable to read disk capacity"), path); |
8adf4864 | 2130 | return (zfs_error(hdl, EZFS_NOCAP, msg)); |
9babb374 BB |
2131 | } |
2132 | return (0); | |
2133 | } | |
2134 | ||
34dc7c2f BB |
2135 | /* |
2136 | * Bring the specified vdev online. The 'flags' parameter is a set of the | |
2137 | * ZFS_ONLINE_* flags. | |
2138 | */ | |
2139 | int | |
2140 | zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, | |
2141 | vdev_state_t *newstate) | |
2142 | { | |
2598c001 | 2143 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2144 | char msg[1024]; |
2145 | nvlist_t *tgt; | |
9babb374 | 2146 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 2147 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
8adf4864 | 2148 | int error; |
34dc7c2f | 2149 | |
9babb374 BB |
2150 | if (flags & ZFS_ONLINE_EXPAND) { |
2151 | (void) snprintf(msg, sizeof (msg), | |
2152 | dgettext(TEXT_DOMAIN, "cannot expand %s"), path); | |
2153 | } else { | |
2154 | (void) snprintf(msg, sizeof (msg), | |
2155 | dgettext(TEXT_DOMAIN, "cannot online %s"), path); | |
2156 | } | |
34dc7c2f BB |
2157 | |
2158 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 2159 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
9babb374 | 2160 | &islog)) == NULL) |
34dc7c2f BB |
2161 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2162 | ||
2163 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2164 | ||
428870ff | 2165 | if (avail_spare) |
34dc7c2f BB |
2166 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2167 | ||
9babb374 BB |
2168 | if (flags & ZFS_ONLINE_EXPAND || |
2169 | zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { | |
9babb374 BB |
2170 | uint64_t wholedisk = 0; |
2171 | ||
2172 | (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, | |
2173 | &wholedisk); | |
9babb374 BB |
2174 | |
2175 | /* | |
2176 | * XXX - L2ARC 1.0 devices can't support expansion. | |
2177 | */ | |
2178 | if (l2cache) { | |
2179 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2180 | "cannot expand cache devices")); | |
2181 | return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); | |
2182 | } | |
2183 | ||
2184 | if (wholedisk) { | |
7608bd0d ED |
2185 | const char *fullpath = path; |
2186 | char buf[MAXPATHLEN]; | |
2187 | ||
2188 | if (path[0] != '/') { | |
2189 | error = zfs_resolve_shortname(path, buf, | |
2190 | sizeof(buf)); | |
2191 | if (error != 0) | |
2192 | return (zfs_error(hdl, EZFS_NODEVICE, | |
2193 | msg)); | |
2194 | ||
2195 | fullpath = buf; | |
2196 | } | |
2197 | ||
2198 | error = zpool_relabel_disk(hdl, fullpath, msg); | |
8adf4864 ED |
2199 | if (error != 0) |
2200 | return (error); | |
9babb374 BB |
2201 | } |
2202 | } | |
2203 | ||
34dc7c2f BB |
2204 | zc.zc_cookie = VDEV_STATE_ONLINE; |
2205 | zc.zc_obj = flags; | |
2206 | ||
572e2857 | 2207 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { |
428870ff BB |
2208 | if (errno == EINVAL) { |
2209 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " | |
2210 | "from this pool into a new one. Use '%s' " | |
2211 | "instead"), "zpool detach"); | |
2212 | return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); | |
2213 | } | |
34dc7c2f | 2214 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff | 2215 | } |
34dc7c2f BB |
2216 | |
2217 | *newstate = zc.zc_cookie; | |
2218 | return (0); | |
2219 | } | |
2220 | ||
2221 | /* | |
2222 | * Take the specified vdev offline | |
2223 | */ | |
2224 | int | |
2225 | zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) | |
2226 | { | |
2598c001 | 2227 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2228 | char msg[1024]; |
2229 | nvlist_t *tgt; | |
2230 | boolean_t avail_spare, l2cache; | |
2231 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2232 | ||
2233 | (void) snprintf(msg, sizeof (msg), | |
2234 | dgettext(TEXT_DOMAIN, "cannot offline %s"), path); | |
2235 | ||
2236 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2237 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2238 | NULL)) == NULL) | |
34dc7c2f BB |
2239 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2240 | ||
2241 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2242 | ||
428870ff | 2243 | if (avail_spare) |
34dc7c2f BB |
2244 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2245 | ||
34dc7c2f BB |
2246 | zc.zc_cookie = VDEV_STATE_OFFLINE; |
2247 | zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; | |
2248 | ||
572e2857 | 2249 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2250 | return (0); |
2251 | ||
2252 | switch (errno) { | |
2253 | case EBUSY: | |
2254 | ||
2255 | /* | |
2256 | * There are no other replicas of this device. | |
2257 | */ | |
2258 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2259 | ||
9babb374 BB |
2260 | case EEXIST: |
2261 | /* | |
2262 | * The log device has unplayed logs | |
2263 | */ | |
2264 | return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); | |
2265 | ||
34dc7c2f BB |
2266 | default: |
2267 | return (zpool_standard_error(hdl, errno, msg)); | |
2268 | } | |
2269 | } | |
2270 | ||
2271 | /* | |
2272 | * Mark the given vdev faulted. | |
2273 | */ | |
2274 | int | |
428870ff | 2275 | zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2276 | { |
2598c001 | 2277 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2278 | char msg[1024]; |
2279 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2280 | ||
2281 | (void) snprintf(msg, sizeof (msg), | |
b8864a23 | 2282 | dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2283 | |
2284 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2285 | zc.zc_guid = guid; | |
2286 | zc.zc_cookie = VDEV_STATE_FAULTED; | |
428870ff | 2287 | zc.zc_obj = aux; |
34dc7c2f | 2288 | |
572e2857 | 2289 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2290 | return (0); |
2291 | ||
2292 | switch (errno) { | |
2293 | case EBUSY: | |
2294 | ||
2295 | /* | |
2296 | * There are no other replicas of this device. | |
2297 | */ | |
2298 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2299 | ||
2300 | default: | |
2301 | return (zpool_standard_error(hdl, errno, msg)); | |
2302 | } | |
2303 | ||
2304 | } | |
2305 | ||
2306 | /* | |
2307 | * Mark the given vdev degraded. | |
2308 | */ | |
2309 | int | |
428870ff | 2310 | zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2311 | { |
2598c001 | 2312 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2313 | char msg[1024]; |
2314 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2315 | ||
2316 | (void) snprintf(msg, sizeof (msg), | |
b8864a23 | 2317 | dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2318 | |
2319 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2320 | zc.zc_guid = guid; | |
2321 | zc.zc_cookie = VDEV_STATE_DEGRADED; | |
428870ff | 2322 | zc.zc_obj = aux; |
34dc7c2f | 2323 | |
572e2857 | 2324 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2325 | return (0); |
2326 | ||
2327 | return (zpool_standard_error(hdl, errno, msg)); | |
2328 | } | |
2329 | ||
2330 | /* | |
2331 | * Returns TRUE if the given nvlist is a vdev that was originally swapped in as | |
2332 | * a hot spare. | |
2333 | */ | |
2334 | static boolean_t | |
2335 | is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) | |
2336 | { | |
2337 | nvlist_t **child; | |
2338 | uint_t c, children; | |
2339 | char *type; | |
2340 | ||
2341 | if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, | |
2342 | &children) == 0) { | |
2343 | verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, | |
2344 | &type) == 0); | |
2345 | ||
2346 | if (strcmp(type, VDEV_TYPE_SPARE) == 0 && | |
2347 | children == 2 && child[which] == tgt) | |
2348 | return (B_TRUE); | |
2349 | ||
2350 | for (c = 0; c < children; c++) | |
2351 | if (is_replacing_spare(child[c], tgt, which)) | |
2352 | return (B_TRUE); | |
2353 | } | |
2354 | ||
2355 | return (B_FALSE); | |
2356 | } | |
2357 | ||
2358 | /* | |
2359 | * Attach new_disk (fully described by nvroot) to old_disk. | |
2360 | * If 'replacing' is specified, the new disk will replace the old one. | |
2361 | */ | |
2362 | int | |
2363 | zpool_vdev_attach(zpool_handle_t *zhp, | |
2364 | const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) | |
2365 | { | |
2598c001 | 2366 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2367 | char msg[1024]; |
2368 | int ret; | |
2369 | nvlist_t *tgt; | |
b128c09f BB |
2370 | boolean_t avail_spare, l2cache, islog; |
2371 | uint64_t val; | |
572e2857 | 2372 | char *newname; |
34dc7c2f BB |
2373 | nvlist_t **child; |
2374 | uint_t children; | |
2375 | nvlist_t *config_root; | |
2376 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
b128c09f | 2377 | boolean_t rootpool = pool_is_bootable(zhp); |
34dc7c2f BB |
2378 | |
2379 | if (replacing) | |
2380 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2381 | "cannot replace %s with %s"), old_disk, new_disk); | |
2382 | else | |
2383 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2384 | "cannot attach %s to %s"), new_disk, old_disk); | |
2385 | ||
b128c09f BB |
2386 | /* |
2387 | * If this is a root pool, make sure that we're not attaching an | |
2388 | * EFI labeled device. | |
2389 | */ | |
2390 | if (rootpool && pool_uses_efi(nvroot)) { | |
2391 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2392 | "EFI labeled devices are not supported on root pools.")); | |
2393 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); | |
2394 | } | |
2395 | ||
34dc7c2f | 2396 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f BB |
2397 | if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, |
2398 | &islog)) == 0) | |
34dc7c2f BB |
2399 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2400 | ||
2401 | if (avail_spare) | |
2402 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2403 | ||
2404 | if (l2cache) | |
2405 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2406 | ||
2407 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2408 | zc.zc_cookie = replacing; | |
2409 | ||
2410 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
2411 | &child, &children) != 0 || children != 1) { | |
2412 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2413 | "new device must be a single disk")); | |
2414 | return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); | |
2415 | } | |
2416 | ||
2417 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
2418 | ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); | |
2419 | ||
428870ff | 2420 | if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) |
b128c09f BB |
2421 | return (-1); |
2422 | ||
34dc7c2f BB |
2423 | /* |
2424 | * If the target is a hot spare that has been swapped in, we can only | |
2425 | * replace it with another hot spare. | |
2426 | */ | |
2427 | if (replacing && | |
2428 | nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && | |
b128c09f BB |
2429 | (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, |
2430 | NULL) == NULL || !avail_spare) && | |
2431 | is_replacing_spare(config_root, tgt, 1)) { | |
34dc7c2f BB |
2432 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2433 | "can only be replaced by another hot spare")); | |
b128c09f | 2434 | free(newname); |
34dc7c2f BB |
2435 | return (zfs_error(hdl, EZFS_BADTARGET, msg)); |
2436 | } | |
2437 | ||
b128c09f BB |
2438 | free(newname); |
2439 | ||
34dc7c2f BB |
2440 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) |
2441 | return (-1); | |
2442 | ||
572e2857 | 2443 | ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); |
34dc7c2f BB |
2444 | |
2445 | zcmd_free_nvlists(&zc); | |
2446 | ||
b128c09f BB |
2447 | if (ret == 0) { |
2448 | if (rootpool) { | |
9babb374 BB |
2449 | /* |
2450 | * XXX need a better way to prevent user from | |
2451 | * booting up a half-baked vdev. | |
2452 | */ | |
2453 | (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " | |
2454 | "sure to wait until resilver is done " | |
2455 | "before rebooting.\n")); | |
b128c09f | 2456 | } |
34dc7c2f | 2457 | return (0); |
b128c09f | 2458 | } |
34dc7c2f BB |
2459 | |
2460 | switch (errno) { | |
2461 | case ENOTSUP: | |
2462 | /* | |
2463 | * Can't attach to or replace this type of vdev. | |
2464 | */ | |
2465 | if (replacing) { | |
572e2857 BB |
2466 | uint64_t version = zpool_get_prop_int(zhp, |
2467 | ZPOOL_PROP_VERSION, NULL); | |
2468 | ||
b128c09f | 2469 | if (islog) |
34dc7c2f BB |
2470 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2471 | "cannot replace a log with a spare")); | |
572e2857 BB |
2472 | else if (version >= SPA_VERSION_MULTI_REPLACE) |
2473 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2474 | "already in replacing/spare config; wait " | |
2475 | "for completion or use 'zpool detach'")); | |
34dc7c2f BB |
2476 | else |
2477 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2478 | "cannot replace a replacing device")); | |
2479 | } else { | |
2480 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2481 | "can only attach to mirrors and top-level " | |
2482 | "disks")); | |
2483 | } | |
2484 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); | |
2485 | break; | |
2486 | ||
2487 | case EINVAL: | |
2488 | /* | |
2489 | * The new device must be a single disk. | |
2490 | */ | |
2491 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2492 | "new device must be a single disk")); | |
2493 | (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2494 | break; | |
2495 | ||
2496 | case EBUSY: | |
2497 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), | |
2498 | new_disk); | |
2499 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2500 | break; | |
2501 | ||
2502 | case EOVERFLOW: | |
2503 | /* | |
2504 | * The new device is too small. | |
2505 | */ | |
2506 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2507 | "device is too small")); | |
2508 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2509 | break; | |
2510 | ||
2511 | case EDOM: | |
2512 | /* | |
2513 | * The new device has a different alignment requirement. | |
2514 | */ | |
2515 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2516 | "devices have different sector alignment")); | |
2517 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2518 | break; | |
2519 | ||
2520 | case ENAMETOOLONG: | |
2521 | /* | |
2522 | * The resulting top-level vdev spec won't fit in the label. | |
2523 | */ | |
2524 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); | |
2525 | break; | |
2526 | ||
2527 | default: | |
2528 | (void) zpool_standard_error(hdl, errno, msg); | |
2529 | } | |
2530 | ||
2531 | return (-1); | |
2532 | } | |
2533 | ||
2534 | /* | |
2535 | * Detach the specified device. | |
2536 | */ | |
2537 | int | |
2538 | zpool_vdev_detach(zpool_handle_t *zhp, const char *path) | |
2539 | { | |
2598c001 | 2540 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2541 | char msg[1024]; |
2542 | nvlist_t *tgt; | |
2543 | boolean_t avail_spare, l2cache; | |
2544 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2545 | ||
2546 | (void) snprintf(msg, sizeof (msg), | |
2547 | dgettext(TEXT_DOMAIN, "cannot detach %s"), path); | |
2548 | ||
2549 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2550 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2551 | NULL)) == 0) | |
34dc7c2f BB |
2552 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2553 | ||
2554 | if (avail_spare) | |
2555 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2556 | ||
2557 | if (l2cache) | |
2558 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2559 | ||
2560 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2561 | ||
2562 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) | |
2563 | return (0); | |
2564 | ||
2565 | switch (errno) { | |
2566 | ||
2567 | case ENOTSUP: | |
2568 | /* | |
2569 | * Can't detach from this type of vdev. | |
2570 | */ | |
2571 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " | |
2572 | "applicable to mirror and replacing vdevs")); | |
572e2857 | 2573 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); |
34dc7c2f BB |
2574 | break; |
2575 | ||
2576 | case EBUSY: | |
2577 | /* | |
2578 | * There are no other replicas of this device. | |
2579 | */ | |
2580 | (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); | |
2581 | break; | |
2582 | ||
2583 | default: | |
2584 | (void) zpool_standard_error(hdl, errno, msg); | |
2585 | } | |
2586 | ||
2587 | return (-1); | |
2588 | } | |
2589 | ||
428870ff BB |
2590 | /* |
2591 | * Find a mirror vdev in the source nvlist. | |
2592 | * | |
2593 | * The mchild array contains a list of disks in one of the top-level mirrors | |
2594 | * of the source pool. The schild array contains a list of disks that the | |
2595 | * user specified on the command line. We loop over the mchild array to | |
2596 | * see if any entry in the schild array matches. | |
2597 | * | |
2598 | * If a disk in the mchild array is found in the schild array, we return | |
2599 | * the index of that entry. Otherwise we return -1. | |
2600 | */ | |
2601 | static int | |
2602 | find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, | |
2603 | nvlist_t **schild, uint_t schildren) | |
2604 | { | |
2605 | uint_t mc; | |
2606 | ||
2607 | for (mc = 0; mc < mchildren; mc++) { | |
2608 | uint_t sc; | |
2609 | char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2610 | mchild[mc], B_FALSE); | |
2611 | ||
2612 | for (sc = 0; sc < schildren; sc++) { | |
2613 | char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2614 | schild[sc], B_FALSE); | |
2615 | boolean_t result = (strcmp(mpath, spath) == 0); | |
2616 | ||
2617 | free(spath); | |
2618 | if (result) { | |
2619 | free(mpath); | |
2620 | return (mc); | |
2621 | } | |
2622 | } | |
2623 | ||
2624 | free(mpath); | |
2625 | } | |
2626 | ||
2627 | return (-1); | |
2628 | } | |
2629 | ||
2630 | /* | |
2631 | * Split a mirror pool. If newroot points to null, then a new nvlist | |
2632 | * is generated and it is the responsibility of the caller to free it. | |
2633 | */ | |
2634 | int | |
2635 | zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, | |
2636 | nvlist_t *props, splitflags_t flags) | |
2637 | { | |
2598c001 | 2638 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
428870ff BB |
2639 | char msg[1024]; |
2640 | nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; | |
2641 | nvlist_t **varray = NULL, *zc_props = NULL; | |
2642 | uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; | |
2643 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2644 | uint64_t vers; | |
2645 | boolean_t freelist = B_FALSE, memory_err = B_TRUE; | |
2646 | int retval = 0; | |
2647 | ||
2648 | (void) snprintf(msg, sizeof (msg), | |
2649 | dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); | |
2650 | ||
2651 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
2652 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
2653 | ||
2654 | if ((config = zpool_get_config(zhp, NULL)) == NULL) { | |
2655 | (void) fprintf(stderr, gettext("Internal error: unable to " | |
2656 | "retrieve pool configuration\n")); | |
2657 | return (-1); | |
2658 | } | |
2659 | ||
2660 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) | |
2661 | == 0); | |
2662 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); | |
2663 | ||
2664 | if (props) { | |
572e2857 | 2665 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
428870ff | 2666 | if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, |
572e2857 | 2667 | props, vers, flags, msg)) == NULL) |
428870ff BB |
2668 | return (-1); |
2669 | } | |
2670 | ||
2671 | if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, | |
2672 | &children) != 0) { | |
2673 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2674 | "Source pool is missing vdev tree")); | |
2675 | if (zc_props) | |
2676 | nvlist_free(zc_props); | |
2677 | return (-1); | |
2678 | } | |
2679 | ||
2680 | varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); | |
2681 | vcount = 0; | |
2682 | ||
2683 | if (*newroot == NULL || | |
2684 | nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, | |
2685 | &newchild, &newchildren) != 0) | |
2686 | newchildren = 0; | |
2687 | ||
2688 | for (c = 0; c < children; c++) { | |
2689 | uint64_t is_log = B_FALSE, is_hole = B_FALSE; | |
2690 | char *type; | |
2691 | nvlist_t **mchild, *vdev; | |
2692 | uint_t mchildren; | |
2693 | int entry; | |
2694 | ||
2695 | /* | |
2696 | * Unlike cache & spares, slogs are stored in the | |
2697 | * ZPOOL_CONFIG_CHILDREN array. We filter them out here. | |
2698 | */ | |
2699 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, | |
2700 | &is_log); | |
2701 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, | |
2702 | &is_hole); | |
2703 | if (is_log || is_hole) { | |
2704 | /* | |
2705 | * Create a hole vdev and put it in the config. | |
2706 | */ | |
2707 | if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) | |
2708 | goto out; | |
2709 | if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, | |
2710 | VDEV_TYPE_HOLE) != 0) | |
2711 | goto out; | |
2712 | if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, | |
2713 | 1) != 0) | |
2714 | goto out; | |
2715 | if (lastlog == 0) | |
2716 | lastlog = vcount; | |
2717 | varray[vcount++] = vdev; | |
2718 | continue; | |
2719 | } | |
2720 | lastlog = 0; | |
2721 | verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) | |
2722 | == 0); | |
2723 | if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { | |
2724 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2725 | "Source pool must be composed only of mirrors\n")); | |
2726 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2727 | goto out; | |
2728 | } | |
2729 | ||
2730 | verify(nvlist_lookup_nvlist_array(child[c], | |
2731 | ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); | |
2732 | ||
2733 | /* find or add an entry for this top-level vdev */ | |
2734 | if (newchildren > 0 && | |
2735 | (entry = find_vdev_entry(zhp, mchild, mchildren, | |
2736 | newchild, newchildren)) >= 0) { | |
2737 | /* We found a disk that the user specified. */ | |
2738 | vdev = mchild[entry]; | |
2739 | ++found; | |
2740 | } else { | |
2741 | /* User didn't specify a disk for this vdev. */ | |
2742 | vdev = mchild[mchildren - 1]; | |
2743 | } | |
2744 | ||
2745 | if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) | |
2746 | goto out; | |
2747 | } | |
2748 | ||
2749 | /* did we find every disk the user specified? */ | |
2750 | if (found != newchildren) { | |
2751 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " | |
2752 | "include at most one disk from each mirror")); | |
2753 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2754 | goto out; | |
2755 | } | |
2756 | ||
2757 | /* Prepare the nvlist for populating. */ | |
2758 | if (*newroot == NULL) { | |
2759 | if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) | |
2760 | goto out; | |
2761 | freelist = B_TRUE; | |
2762 | if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, | |
2763 | VDEV_TYPE_ROOT) != 0) | |
2764 | goto out; | |
2765 | } else { | |
2766 | verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); | |
2767 | } | |
2768 | ||
2769 | /* Add all the children we found */ | |
2770 | if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, | |
2771 | lastlog == 0 ? vcount : lastlog) != 0) | |
2772 | goto out; | |
2773 | ||
2774 | /* | |
2775 | * If we're just doing a dry run, exit now with success. | |
2776 | */ | |
2777 | if (flags.dryrun) { | |
2778 | memory_err = B_FALSE; | |
2779 | freelist = B_FALSE; | |
2780 | goto out; | |
2781 | } | |
2782 | ||
2783 | /* now build up the config list & call the ioctl */ | |
2784 | if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) | |
2785 | goto out; | |
2786 | ||
2787 | if (nvlist_add_nvlist(newconfig, | |
2788 | ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || | |
2789 | nvlist_add_string(newconfig, | |
2790 | ZPOOL_CONFIG_POOL_NAME, newname) != 0 || | |
2791 | nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) | |
2792 | goto out; | |
2793 | ||
2794 | /* | |
2795 | * The new pool is automatically part of the namespace unless we | |
2796 | * explicitly export it. | |
2797 | */ | |
2798 | if (!flags.import) | |
2799 | zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; | |
2800 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2801 | (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); | |
2802 | if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) | |
2803 | goto out; | |
2804 | if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) | |
2805 | goto out; | |
2806 | ||
2807 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { | |
2808 | retval = zpool_standard_error(hdl, errno, msg); | |
2809 | goto out; | |
2810 | } | |
2811 | ||
2812 | freelist = B_FALSE; | |
2813 | memory_err = B_FALSE; | |
2814 | ||
2815 | out: | |
2816 | if (varray != NULL) { | |
2817 | int v; | |
2818 | ||
2819 | for (v = 0; v < vcount; v++) | |
2820 | nvlist_free(varray[v]); | |
2821 | free(varray); | |
2822 | } | |
2823 | zcmd_free_nvlists(&zc); | |
2824 | if (zc_props) | |
2825 | nvlist_free(zc_props); | |
2826 | if (newconfig) | |
2827 | nvlist_free(newconfig); | |
2828 | if (freelist) { | |
2829 | nvlist_free(*newroot); | |
2830 | *newroot = NULL; | |
2831 | } | |
2832 | ||
2833 | if (retval != 0) | |
2834 | return (retval); | |
2835 | ||
2836 | if (memory_err) | |
2837 | return (no_memory(hdl)); | |
2838 | ||
2839 | return (0); | |
2840 | } | |
2841 | ||
34dc7c2f BB |
2842 | /* |
2843 | * Remove the given device. Currently, this is supported only for hot spares | |
2844 | * and level 2 cache devices. | |
2845 | */ | |
2846 | int | |
2847 | zpool_vdev_remove(zpool_handle_t *zhp, const char *path) | |
2848 | { | |
2598c001 | 2849 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2850 | char msg[1024]; |
2851 | nvlist_t *tgt; | |
428870ff | 2852 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 2853 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
428870ff | 2854 | uint64_t version; |
34dc7c2f BB |
2855 | |
2856 | (void) snprintf(msg, sizeof (msg), | |
2857 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
2858 | ||
2859 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 2860 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
428870ff | 2861 | &islog)) == 0) |
34dc7c2f | 2862 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
428870ff BB |
2863 | /* |
2864 | * XXX - this should just go away. | |
2865 | */ | |
2866 | if (!avail_spare && !l2cache && !islog) { | |
34dc7c2f | 2867 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
428870ff BB |
2868 | "only inactive hot spares, cache, top-level, " |
2869 | "or log devices can be removed")); | |
34dc7c2f BB |
2870 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2871 | } | |
2872 | ||
428870ff BB |
2873 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); |
2874 | if (islog && version < SPA_VERSION_HOLES) { | |
2875 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2876 | "pool must be upgrade to support log removal")); | |
2877 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
2878 | } | |
2879 | ||
34dc7c2f BB |
2880 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); |
2881 | ||
2882 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
2883 | return (0); | |
2884 | ||
2885 | return (zpool_standard_error(hdl, errno, msg)); | |
2886 | } | |
2887 | ||
2888 | /* | |
2889 | * Clear the errors for the pool, or the particular device if specified. | |
2890 | */ | |
2891 | int | |
428870ff | 2892 | zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) |
34dc7c2f | 2893 | { |
2598c001 | 2894 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2895 | char msg[1024]; |
2896 | nvlist_t *tgt; | |
428870ff | 2897 | zpool_rewind_policy_t policy; |
34dc7c2f BB |
2898 | boolean_t avail_spare, l2cache; |
2899 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
428870ff | 2900 | nvlist_t *nvi = NULL; |
572e2857 | 2901 | int error; |
34dc7c2f BB |
2902 | |
2903 | if (path) | |
2904 | (void) snprintf(msg, sizeof (msg), | |
2905 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
2906 | path); | |
2907 | else | |
2908 | (void) snprintf(msg, sizeof (msg), | |
2909 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
2910 | zhp->zpool_name); | |
2911 | ||
2912 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2913 | if (path) { | |
2914 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, | |
b128c09f | 2915 | &l2cache, NULL)) == 0) |
34dc7c2f BB |
2916 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2917 | ||
2918 | /* | |
2919 | * Don't allow error clearing for hot spares. Do allow | |
2920 | * error clearing for l2cache devices. | |
2921 | */ | |
2922 | if (avail_spare) | |
2923 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2924 | ||
2925 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, | |
2926 | &zc.zc_guid) == 0); | |
2927 | } | |
2928 | ||
428870ff BB |
2929 | zpool_get_rewind_policy(rewindnvl, &policy); |
2930 | zc.zc_cookie = policy.zrp_request; | |
2931 | ||
572e2857 | 2932 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) |
428870ff BB |
2933 | return (-1); |
2934 | ||
572e2857 | 2935 | if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) |
428870ff BB |
2936 | return (-1); |
2937 | ||
572e2857 BB |
2938 | while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && |
2939 | errno == ENOMEM) { | |
2940 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
2941 | zcmd_free_nvlists(&zc); | |
2942 | return (-1); | |
2943 | } | |
2944 | } | |
2945 | ||
2946 | if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && | |
428870ff BB |
2947 | errno != EPERM && errno != EACCES)) { |
2948 | if (policy.zrp_request & | |
2949 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
2950 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); | |
2951 | zpool_rewind_exclaim(hdl, zc.zc_name, | |
2952 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), | |
2953 | nvi); | |
2954 | nvlist_free(nvi); | |
2955 | } | |
2956 | zcmd_free_nvlists(&zc); | |
34dc7c2f | 2957 | return (0); |
428870ff | 2958 | } |
34dc7c2f | 2959 | |
428870ff | 2960 | zcmd_free_nvlists(&zc); |
34dc7c2f BB |
2961 | return (zpool_standard_error(hdl, errno, msg)); |
2962 | } | |
2963 | ||
2964 | /* | |
2965 | * Similar to zpool_clear(), but takes a GUID (used by fmd). | |
2966 | */ | |
2967 | int | |
2968 | zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) | |
2969 | { | |
2598c001 | 2970 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2971 | char msg[1024]; |
2972 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2973 | ||
2974 | (void) snprintf(msg, sizeof (msg), | |
2975 | dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), | |
b8864a23 | 2976 | (u_longlong_t)guid); |
34dc7c2f BB |
2977 | |
2978 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2979 | zc.zc_guid = guid; | |
428870ff | 2980 | zc.zc_cookie = ZPOOL_NO_REWIND; |
34dc7c2f BB |
2981 | |
2982 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) | |
2983 | return (0); | |
2984 | ||
2985 | return (zpool_standard_error(hdl, errno, msg)); | |
2986 | } | |
2987 | ||
3541dc6d GA |
2988 | /* |
2989 | * Change the GUID for a pool. | |
2990 | */ | |
2991 | int | |
2992 | zpool_reguid(zpool_handle_t *zhp) | |
2993 | { | |
2994 | char msg[1024]; | |
2995 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2996 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; | |
2997 | ||
2998 | (void) snprintf(msg, sizeof (msg), | |
2999 | dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); | |
3000 | ||
3001 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3002 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) | |
3003 | return (0); | |
3004 | ||
3005 | return (zpool_standard_error(hdl, errno, msg)); | |
3006 | } | |
3007 | ||
34dc7c2f BB |
3008 | /* |
3009 | * Convert from a devid string to a path. | |
3010 | */ | |
3011 | static char * | |
3012 | devid_to_path(char *devid_str) | |
3013 | { | |
3014 | ddi_devid_t devid; | |
3015 | char *minor; | |
3016 | char *path; | |
3017 | devid_nmlist_t *list = NULL; | |
3018 | int ret; | |
3019 | ||
3020 | if (devid_str_decode(devid_str, &devid, &minor) != 0) | |
3021 | return (NULL); | |
3022 | ||
3023 | ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); | |
3024 | ||
3025 | devid_str_free(minor); | |
3026 | devid_free(devid); | |
3027 | ||
3028 | if (ret != 0) | |
3029 | return (NULL); | |
3030 | ||
3031 | if ((path = strdup(list[0].devname)) == NULL) | |
3032 | return (NULL); | |
3033 | ||
3034 | devid_free_nmlist(list); | |
3035 | ||
3036 | return (path); | |
3037 | } | |
3038 | ||
3039 | /* | |
3040 | * Convert from a path to a devid string. | |
3041 | */ | |
3042 | static char * | |
3043 | path_to_devid(const char *path) | |
3044 | { | |
3045 | int fd; | |
3046 | ddi_devid_t devid; | |
3047 | char *minor, *ret; | |
3048 | ||
3049 | if ((fd = open(path, O_RDONLY)) < 0) | |
3050 | return (NULL); | |
3051 | ||
3052 | minor = NULL; | |
3053 | ret = NULL; | |
3054 | if (devid_get(fd, &devid) == 0) { | |
3055 | if (devid_get_minor_name(fd, &minor) == 0) | |
3056 | ret = devid_str_encode(devid, minor); | |
3057 | if (minor != NULL) | |
3058 | devid_str_free(minor); | |
3059 | devid_free(devid); | |
3060 | } | |
3061 | (void) close(fd); | |
3062 | ||
3063 | return (ret); | |
3064 | } | |
3065 | ||
3066 | /* | |
3067 | * Issue the necessary ioctl() to update the stored path value for the vdev. We | |
3068 | * ignore any failure here, since a common case is for an unprivileged user to | |
3069 | * type 'zpool status', and we'll display the correct information anyway. | |
3070 | */ | |
3071 | static void | |
3072 | set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) | |
3073 | { | |
2598c001 | 3074 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3075 | |
3076 | (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3077 | (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); | |
3078 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3079 | &zc.zc_guid) == 0); | |
3080 | ||
3081 | (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); | |
3082 | } | |
3083 | ||
83c62c93 NB |
3084 | /* |
3085 | * Remove partition suffix from a vdev path. Partition suffixes may take three | |
3086 | * forms: "-partX", "pX", or "X", where X is a string of digits. The second | |
3087 | * case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The | |
3088 | * third case only occurs when preceded by a string matching the regular | |
3089 | * expression "^[hs]d[a-z]+", i.e. a scsi or ide disk. | |
3090 | */ | |
3091 | static char * | |
3092 | strip_partition(libzfs_handle_t *hdl, char *path) | |
3093 | { | |
3094 | char *tmp = zfs_strdup(hdl, path); | |
3095 | char *part = NULL, *d = NULL; | |
3096 | ||
3097 | if ((part = strstr(tmp, "-part")) && part != tmp) { | |
3098 | d = part + 5; | |
3099 | } else if ((part = strrchr(tmp, 'p')) && | |
3100 | part > tmp + 1 && isdigit(*(part-1))) { | |
3101 | d = part + 1; | |
3102 | } else if ((tmp[0] == 'h' || tmp[0] == 's') && tmp[1] == 'd') { | |
3103 | for (d = &tmp[2]; isalpha(*d); part = ++d); | |
3104 | } | |
3105 | if (part && d && *d != '\0') { | |
3106 | for (; isdigit(*d); d++); | |
3107 | if (*d == '\0') | |
3108 | *part = '\0'; | |
3109 | } | |
3110 | return (tmp); | |
3111 | } | |
3112 | ||
858219cc NB |
3113 | #define PATH_BUF_LEN 64 |
3114 | ||
34dc7c2f BB |
3115 | /* |
3116 | * Given a vdev, return the name to display in iostat. If the vdev has a path, | |
3117 | * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. | |
3118 | * We also check if this is a whole disk, in which case we strip off the | |
3119 | * trailing 's0' slice name. | |
3120 | * | |
3121 | * This routine is also responsible for identifying when disks have been | |
3122 | * reconfigured in a new location. The kernel will have opened the device by | |
3123 | * devid, but the path will still refer to the old location. To catch this, we | |
3124 | * first do a path -> devid translation (which is fast for the common case). If | |
3125 | * the devid matches, we're done. If not, we do a reverse devid -> path | |
3126 | * translation and issue the appropriate ioctl() to update the path of the vdev. | |
3127 | * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any | |
3128 | * of these checks. | |
3129 | */ | |
3130 | char * | |
428870ff BB |
3131 | zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, |
3132 | boolean_t verbose) | |
34dc7c2f | 3133 | { |
d603ed6c | 3134 | char *path, *devid, *type; |
34dc7c2f | 3135 | uint64_t value; |
858219cc | 3136 | char buf[PATH_BUF_LEN]; |
34dc7c2f BB |
3137 | vdev_stat_t *vs; |
3138 | uint_t vsc; | |
3139 | ||
3140 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, | |
3141 | &value) == 0) { | |
3142 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3143 | &value) == 0); | |
3144 | (void) snprintf(buf, sizeof (buf), "%llu", | |
3145 | (u_longlong_t)value); | |
3146 | path = buf; | |
3147 | } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { | |
34dc7c2f BB |
3148 | /* |
3149 | * If the device is dead (faulted, offline, etc) then don't | |
3150 | * bother opening it. Otherwise we may be forcing the user to | |
3151 | * open a misbehaving device, which can have undesirable | |
3152 | * effects. | |
3153 | */ | |
428870ff | 3154 | if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, |
34dc7c2f BB |
3155 | (uint64_t **)&vs, &vsc) != 0 || |
3156 | vs->vs_state >= VDEV_STATE_DEGRADED) && | |
3157 | zhp != NULL && | |
3158 | nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { | |
3159 | /* | |
3160 | * Determine if the current path is correct. | |
3161 | */ | |
3162 | char *newdevid = path_to_devid(path); | |
3163 | ||
3164 | if (newdevid == NULL || | |
3165 | strcmp(devid, newdevid) != 0) { | |
3166 | char *newpath; | |
3167 | ||
3168 | if ((newpath = devid_to_path(devid)) != NULL) { | |
3169 | /* | |
3170 | * Update the path appropriately. | |
3171 | */ | |
3172 | set_path(zhp, nv, newpath); | |
3173 | if (nvlist_add_string(nv, | |
3174 | ZPOOL_CONFIG_PATH, newpath) == 0) | |
3175 | verify(nvlist_lookup_string(nv, | |
3176 | ZPOOL_CONFIG_PATH, | |
3177 | &path) == 0); | |
3178 | free(newpath); | |
3179 | } | |
3180 | } | |
3181 | ||
3182 | if (newdevid) | |
3183 | devid_str_free(newdevid); | |
3184 | } | |
3185 | ||
d603ed6c BB |
3186 | /* |
3187 | * For a block device only use the name. | |
3188 | */ | |
3189 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); | |
3190 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
3191 | path = strrchr(path, '/'); | |
3192 | path++; | |
3193 | } | |
34dc7c2f | 3194 | |
d603ed6c | 3195 | /* |
83c62c93 | 3196 | * Remove the partition from the path it this is a whole disk. |
d603ed6c | 3197 | */ |
34dc7c2f BB |
3198 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, |
3199 | &value) == 0 && value) { | |
83c62c93 | 3200 | return strip_partition(hdl, path); |
34dc7c2f BB |
3201 | } |
3202 | } else { | |
3203 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); | |
3204 | ||
3205 | /* | |
3206 | * If it's a raidz device, we need to stick in the parity level. | |
3207 | */ | |
3208 | if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { | |
858219cc NB |
3209 | char tmpbuf[PATH_BUF_LEN]; |
3210 | ||
34dc7c2f BB |
3211 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, |
3212 | &value) == 0); | |
858219cc | 3213 | (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s%llu", path, |
34dc7c2f | 3214 | (u_longlong_t)value); |
858219cc | 3215 | path = tmpbuf; |
34dc7c2f | 3216 | } |
428870ff BB |
3217 | |
3218 | /* | |
3219 | * We identify each top-level vdev by using a <type-id> | |
3220 | * naming convention. | |
3221 | */ | |
3222 | if (verbose) { | |
3223 | uint64_t id; | |
3224 | ||
3225 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
3226 | &id) == 0); | |
3227 | (void) snprintf(buf, sizeof (buf), "%s-%llu", path, | |
3228 | (u_longlong_t)id); | |
3229 | path = buf; | |
3230 | } | |
34dc7c2f BB |
3231 | } |
3232 | ||
3233 | return (zfs_strdup(hdl, path)); | |
3234 | } | |
3235 | ||
3236 | static int | |
3237 | zbookmark_compare(const void *a, const void *b) | |
3238 | { | |
3239 | return (memcmp(a, b, sizeof (zbookmark_t))); | |
3240 | } | |
3241 | ||
3242 | /* | |
3243 | * Retrieve the persistent error log, uniquify the members, and return to the | |
3244 | * caller. | |
3245 | */ | |
3246 | int | |
3247 | zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) | |
3248 | { | |
2598c001 | 3249 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3250 | uint64_t count; |
3251 | zbookmark_t *zb = NULL; | |
3252 | int i; | |
3253 | ||
3254 | /* | |
3255 | * Retrieve the raw error list from the kernel. If the number of errors | |
3256 | * has increased, allocate more space and continue until we get the | |
3257 | * entire list. | |
3258 | */ | |
3259 | verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, | |
3260 | &count) == 0); | |
3261 | if (count == 0) | |
3262 | return (0); | |
3263 | if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, | |
3264 | count * sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
3265 | return (-1); | |
3266 | zc.zc_nvlist_dst_size = count; | |
3267 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3268 | for (;;) { | |
3269 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, | |
3270 | &zc) != 0) { | |
3271 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3272 | if (errno == ENOMEM) { | |
3273 | count = zc.zc_nvlist_dst_size; | |
3274 | if ((zc.zc_nvlist_dst = (uintptr_t) | |
3275 | zfs_alloc(zhp->zpool_hdl, count * | |
3276 | sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
3277 | return (-1); | |
3278 | } else { | |
3279 | return (-1); | |
3280 | } | |
3281 | } else { | |
3282 | break; | |
3283 | } | |
3284 | } | |
3285 | ||
3286 | /* | |
3287 | * Sort the resulting bookmarks. This is a little confusing due to the | |
3288 | * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last | |
3289 | * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks | |
3290 | * _not_ copied as part of the process. So we point the start of our | |
3291 | * array appropriate and decrement the total number of elements. | |
3292 | */ | |
3293 | zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + | |
3294 | zc.zc_nvlist_dst_size; | |
3295 | count -= zc.zc_nvlist_dst_size; | |
3296 | ||
3297 | qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); | |
3298 | ||
3299 | verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); | |
3300 | ||
3301 | /* | |
3302 | * Fill in the nverrlistp with nvlist's of dataset and object numbers. | |
3303 | */ | |
3304 | for (i = 0; i < count; i++) { | |
3305 | nvlist_t *nv; | |
3306 | ||
3307 | /* ignoring zb_blkid and zb_level for now */ | |
3308 | if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && | |
3309 | zb[i-1].zb_object == zb[i].zb_object) | |
3310 | continue; | |
3311 | ||
3312 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) | |
3313 | goto nomem; | |
3314 | if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, | |
3315 | zb[i].zb_objset) != 0) { | |
3316 | nvlist_free(nv); | |
3317 | goto nomem; | |
3318 | } | |
3319 | if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, | |
3320 | zb[i].zb_object) != 0) { | |
3321 | nvlist_free(nv); | |
3322 | goto nomem; | |
3323 | } | |
3324 | if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { | |
3325 | nvlist_free(nv); | |
3326 | goto nomem; | |
3327 | } | |
3328 | nvlist_free(nv); | |
3329 | } | |
3330 | ||
3331 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3332 | return (0); | |
3333 | ||
3334 | nomem: | |
3335 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3336 | return (no_memory(zhp->zpool_hdl)); | |
3337 | } | |
3338 | ||
3339 | /* | |
3340 | * Upgrade a ZFS pool to the latest on-disk version. | |
3341 | */ | |
3342 | int | |
3343 | zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) | |
3344 | { | |
2598c001 | 3345 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3346 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3347 | ||
3348 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3349 | zc.zc_cookie = new_version; | |
3350 | ||
3351 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) | |
3352 | return (zpool_standard_error_fmt(hdl, errno, | |
3353 | dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), | |
3354 | zhp->zpool_name)); | |
3355 | return (0); | |
3356 | } | |
3357 | ||
3358 | void | |
3359 | zpool_set_history_str(const char *subcommand, int argc, char **argv, | |
3360 | char *history_str) | |
3361 | { | |
3362 | int i; | |
3363 | ||
3364 | (void) strlcpy(history_str, subcommand, HIS_MAX_RECORD_LEN); | |
3365 | for (i = 1; i < argc; i++) { | |
3366 | if (strlen(history_str) + 1 + strlen(argv[i]) > | |
3367 | HIS_MAX_RECORD_LEN) | |
3368 | break; | |
3369 | (void) strlcat(history_str, " ", HIS_MAX_RECORD_LEN); | |
3370 | (void) strlcat(history_str, argv[i], HIS_MAX_RECORD_LEN); | |
3371 | } | |
3372 | } | |
3373 | ||
3374 | /* | |
3375 | * Stage command history for logging. | |
3376 | */ | |
3377 | int | |
3378 | zpool_stage_history(libzfs_handle_t *hdl, const char *history_str) | |
3379 | { | |
3380 | if (history_str == NULL) | |
3381 | return (EINVAL); | |
3382 | ||
3383 | if (strlen(history_str) > HIS_MAX_RECORD_LEN) | |
3384 | return (EINVAL); | |
3385 | ||
3386 | if (hdl->libzfs_log_str != NULL) | |
3387 | free(hdl->libzfs_log_str); | |
3388 | ||
3389 | if ((hdl->libzfs_log_str = strdup(history_str)) == NULL) | |
3390 | return (no_memory(hdl)); | |
3391 | ||
3392 | return (0); | |
3393 | } | |
3394 | ||
3395 | /* | |
3396 | * Perform ioctl to get some command history of a pool. | |
3397 | * | |
3398 | * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the | |
3399 | * logical offset of the history buffer to start reading from. | |
3400 | * | |
3401 | * Upon return, 'off' is the next logical offset to read from and | |
3402 | * 'len' is the actual amount of bytes read into 'buf'. | |
3403 | */ | |
3404 | static int | |
3405 | get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) | |
3406 | { | |
2598c001 | 3407 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3408 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3409 | ||
3410 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3411 | ||
3412 | zc.zc_history = (uint64_t)(uintptr_t)buf; | |
3413 | zc.zc_history_len = *len; | |
3414 | zc.zc_history_offset = *off; | |
3415 | ||
3416 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { | |
3417 | switch (errno) { | |
3418 | case EPERM: | |
3419 | return (zfs_error_fmt(hdl, EZFS_PERM, | |
3420 | dgettext(TEXT_DOMAIN, | |
3421 | "cannot show history for pool '%s'"), | |
3422 | zhp->zpool_name)); | |
3423 | case ENOENT: | |
3424 | return (zfs_error_fmt(hdl, EZFS_NOHISTORY, | |
3425 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3426 | "'%s'"), zhp->zpool_name)); | |
3427 | case ENOTSUP: | |
3428 | return (zfs_error_fmt(hdl, EZFS_BADVERSION, | |
3429 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3430 | "'%s', pool must be upgraded"), zhp->zpool_name)); | |
3431 | default: | |
3432 | return (zpool_standard_error_fmt(hdl, errno, | |
3433 | dgettext(TEXT_DOMAIN, | |
3434 | "cannot get history for '%s'"), zhp->zpool_name)); | |
3435 | } | |
3436 | } | |
3437 | ||
3438 | *len = zc.zc_history_len; | |
3439 | *off = zc.zc_history_offset; | |
3440 | ||
3441 | return (0); | |
3442 | } | |
3443 | ||
3444 | /* | |
3445 | * Process the buffer of nvlists, unpacking and storing each nvlist record | |
3446 | * into 'records'. 'leftover' is set to the number of bytes that weren't | |
3447 | * processed as there wasn't a complete record. | |
3448 | */ | |
428870ff | 3449 | int |
34dc7c2f BB |
3450 | zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, |
3451 | nvlist_t ***records, uint_t *numrecords) | |
3452 | { | |
3453 | uint64_t reclen; | |
3454 | nvlist_t *nv; | |
3455 | int i; | |
3456 | ||
3457 | while (bytes_read > sizeof (reclen)) { | |
3458 | ||
3459 | /* get length of packed record (stored as little endian) */ | |
3460 | for (i = 0, reclen = 0; i < sizeof (reclen); i++) | |
3461 | reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); | |
3462 | ||
3463 | if (bytes_read < sizeof (reclen) + reclen) | |
3464 | break; | |
3465 | ||
3466 | /* unpack record */ | |
3467 | if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) | |
3468 | return (ENOMEM); | |
3469 | bytes_read -= sizeof (reclen) + reclen; | |
3470 | buf += sizeof (reclen) + reclen; | |
3471 | ||
3472 | /* add record to nvlist array */ | |
3473 | (*numrecords)++; | |
3474 | if (ISP2(*numrecords + 1)) { | |
3475 | *records = realloc(*records, | |
3476 | *numrecords * 2 * sizeof (nvlist_t *)); | |
3477 | } | |
3478 | (*records)[*numrecords - 1] = nv; | |
3479 | } | |
3480 | ||
3481 | *leftover = bytes_read; | |
3482 | return (0); | |
3483 | } | |
3484 | ||
3485 | #define HIS_BUF_LEN (128*1024) | |
3486 | ||
3487 | /* | |
3488 | * Retrieve the command history of a pool. | |
3489 | */ | |
3490 | int | |
3491 | zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) | |
3492 | { | |
3493 | char buf[HIS_BUF_LEN]; | |
3494 | uint64_t off = 0; | |
3495 | nvlist_t **records = NULL; | |
3496 | uint_t numrecords = 0; | |
3497 | int err, i; | |
3498 | ||
3499 | do { | |
3500 | uint64_t bytes_read = sizeof (buf); | |
3501 | uint64_t leftover; | |
3502 | ||
3503 | if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) | |
3504 | break; | |
3505 | ||
3506 | /* if nothing else was read in, we're at EOF, just return */ | |
3507 | if (!bytes_read) | |
3508 | break; | |
3509 | ||
3510 | if ((err = zpool_history_unpack(buf, bytes_read, | |
3511 | &leftover, &records, &numrecords)) != 0) | |
3512 | break; | |
3513 | off -= leftover; | |
3514 | ||
3515 | /* CONSTCOND */ | |
3516 | } while (1); | |
3517 | ||
3518 | if (!err) { | |
3519 | verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); | |
3520 | verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, | |
3521 | records, numrecords) == 0); | |
3522 | } | |
3523 | for (i = 0; i < numrecords; i++) | |
3524 | nvlist_free(records[i]); | |
3525 | free(records); | |
3526 | ||
3527 | return (err); | |
3528 | } | |
3529 | ||
26685276 BB |
3530 | /* |
3531 | * Retrieve the next event. If there is a new event available 'nvp' will | |
3532 | * contain a newly allocated nvlist and 'dropped' will be set to the number | |
3533 | * of missed events since the last call to this function. When 'nvp' is | |
3534 | * set to NULL it indicates no new events are available. In either case | |
3535 | * the function returns 0 and it is up to the caller to free 'nvp'. In | |
3536 | * the case of a fatal error the function will return a non-zero value. | |
3537 | * When the function is called in blocking mode it will not return until | |
3538 | * a new event is available. | |
3539 | */ | |
3540 | int | |
3541 | zpool_events_next(libzfs_handle_t *hdl, nvlist_t **nvp, | |
3542 | int *dropped, int block, int cleanup_fd) | |
3543 | { | |
3544 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; | |
3545 | int error = 0; | |
3546 | ||
3547 | *nvp = NULL; | |
3548 | *dropped = 0; | |
3549 | zc.zc_cleanup_fd = cleanup_fd; | |
3550 | ||
3551 | if (!block) | |
3552 | zc.zc_guid = ZEVENT_NONBLOCK; | |
3553 | ||
3554 | if (zcmd_alloc_dst_nvlist(hdl, &zc, ZEVENT_SIZE) != 0) | |
3555 | return (-1); | |
3556 | ||
3557 | retry: | |
3558 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_NEXT, &zc) != 0) { | |
3559 | switch (errno) { | |
3560 | case ESHUTDOWN: | |
3561 | error = zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
3562 | dgettext(TEXT_DOMAIN, "zfs shutdown")); | |
3563 | goto out; | |
3564 | case ENOENT: | |
3565 | /* Blocking error case should not occur */ | |
3566 | if (block) | |
3567 | error = zpool_standard_error_fmt(hdl, errno, | |
3568 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3569 | ||
3570 | goto out; | |
3571 | case ENOMEM: | |
3572 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
3573 | error = zfs_error_fmt(hdl, EZFS_NOMEM, | |
3574 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3575 | goto out; | |
3576 | } else { | |
3577 | goto retry; | |
3578 | } | |
3579 | default: | |
3580 | error = zpool_standard_error_fmt(hdl, errno, | |
3581 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3582 | goto out; | |
3583 | } | |
3584 | } | |
3585 | ||
3586 | error = zcmd_read_dst_nvlist(hdl, &zc, nvp); | |
3587 | if (error != 0) | |
3588 | goto out; | |
3589 | ||
3590 | *dropped = (int)zc.zc_cookie; | |
3591 | out: | |
3592 | zcmd_free_nvlists(&zc); | |
3593 | ||
3594 | return (error); | |
3595 | } | |
3596 | ||
3597 | /* | |
3598 | * Clear all events. | |
3599 | */ | |
3600 | int | |
3601 | zpool_events_clear(libzfs_handle_t *hdl, int *count) | |
3602 | { | |
3603 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; | |
3604 | char msg[1024]; | |
3605 | ||
3606 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
3607 | "cannot clear events")); | |
3608 | ||
3609 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_CLEAR, &zc) != 0) | |
3610 | return (zpool_standard_error_fmt(hdl, errno, msg)); | |
3611 | ||
3612 | if (count != NULL) | |
3613 | *count = (int)zc.zc_cookie; /* # of events cleared */ | |
3614 | ||
3615 | return (0); | |
3616 | } | |
3617 | ||
34dc7c2f BB |
3618 | void |
3619 | zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
3620 | char *pathname, size_t len) | |
3621 | { | |
2598c001 | 3622 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3623 | boolean_t mounted = B_FALSE; |
3624 | char *mntpnt = NULL; | |
3625 | char dsname[MAXNAMELEN]; | |
3626 | ||
3627 | if (dsobj == 0) { | |
3628 | /* special case for the MOS */ | |
b8864a23 | 3629 | (void) snprintf(pathname, len, "<metadata>:<0x%llx>", (longlong_t)obj); |
34dc7c2f BB |
3630 | return; |
3631 | } | |
3632 | ||
3633 | /* get the dataset's name */ | |
3634 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3635 | zc.zc_obj = dsobj; | |
3636 | if (ioctl(zhp->zpool_hdl->libzfs_fd, | |
3637 | ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { | |
3638 | /* just write out a path of two object numbers */ | |
3639 | (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", | |
b8864a23 | 3640 | (longlong_t)dsobj, (longlong_t)obj); |
34dc7c2f BB |
3641 | return; |
3642 | } | |
3643 | (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); | |
3644 | ||
3645 | /* find out if the dataset is mounted */ | |
3646 | mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); | |
3647 | ||
3648 | /* get the corrupted object's path */ | |
3649 | (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); | |
3650 | zc.zc_obj = obj; | |
3651 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, | |
3652 | &zc) == 0) { | |
3653 | if (mounted) { | |
3654 | (void) snprintf(pathname, len, "%s%s", mntpnt, | |
3655 | zc.zc_value); | |
3656 | } else { | |
3657 | (void) snprintf(pathname, len, "%s:%s", | |
3658 | dsname, zc.zc_value); | |
3659 | } | |
3660 | } else { | |
b8864a23 | 3661 | (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, (longlong_t)obj); |
34dc7c2f BB |
3662 | } |
3663 | free(mntpnt); | |
3664 | } | |
3665 | ||
b128c09f BB |
3666 | /* |
3667 | * Read the EFI label from the config, if a label does not exist then | |
3668 | * pass back the error to the caller. If the caller has passed a non-NULL | |
3669 | * diskaddr argument then we set it to the starting address of the EFI | |
3670 | * partition. | |
3671 | */ | |
3672 | static int | |
3673 | read_efi_label(nvlist_t *config, diskaddr_t *sb) | |
3674 | { | |
3675 | char *path; | |
3676 | int fd; | |
3677 | char diskname[MAXPATHLEN]; | |
3678 | int err = -1; | |
3679 | ||
3680 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) | |
3681 | return (err); | |
3682 | ||
3683 | (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT, | |
3684 | strrchr(path, '/')); | |
d603ed6c | 3685 | if ((fd = open(diskname, O_RDWR|O_DIRECT)) >= 0) { |
b128c09f BB |
3686 | struct dk_gpt *vtoc; |
3687 | ||
3688 | if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { | |
3689 | if (sb != NULL) | |
3690 | *sb = vtoc->efi_parts[0].p_start; | |
3691 | efi_free(vtoc); | |
3692 | } | |
3693 | (void) close(fd); | |
3694 | } | |
3695 | return (err); | |
3696 | } | |
3697 | ||
34dc7c2f BB |
3698 | /* |
3699 | * determine where a partition starts on a disk in the current | |
3700 | * configuration | |
3701 | */ | |
3702 | static diskaddr_t | |
3703 | find_start_block(nvlist_t *config) | |
3704 | { | |
3705 | nvlist_t **child; | |
3706 | uint_t c, children; | |
34dc7c2f | 3707 | diskaddr_t sb = MAXOFFSET_T; |
34dc7c2f BB |
3708 | uint64_t wholedisk; |
3709 | ||
3710 | if (nvlist_lookup_nvlist_array(config, | |
3711 | ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { | |
3712 | if (nvlist_lookup_uint64(config, | |
3713 | ZPOOL_CONFIG_WHOLE_DISK, | |
3714 | &wholedisk) != 0 || !wholedisk) { | |
3715 | return (MAXOFFSET_T); | |
3716 | } | |
b128c09f BB |
3717 | if (read_efi_label(config, &sb) < 0) |
3718 | sb = MAXOFFSET_T; | |
34dc7c2f BB |
3719 | return (sb); |
3720 | } | |
3721 | ||
3722 | for (c = 0; c < children; c++) { | |
3723 | sb = find_start_block(child[c]); | |
3724 | if (sb != MAXOFFSET_T) { | |
3725 | return (sb); | |
3726 | } | |
3727 | } | |
3728 | return (MAXOFFSET_T); | |
3729 | } | |
3730 | ||
d603ed6c BB |
3731 | int |
3732 | zpool_label_disk_wait(char *path, int timeout) | |
3733 | { | |
3734 | struct stat64 statbuf; | |
3735 | int i; | |
3736 | ||
3737 | /* | |
3738 | * Wait timeout miliseconds for a newly created device to be available | |
3739 | * from the given path. There is a small window when a /dev/ device | |
3740 | * will exist and the udev link will not, so we must wait for the | |
3741 | * symlink. Depending on the udev rules this may take a few seconds. | |
3742 | */ | |
3743 | for (i = 0; i < timeout; i++) { | |
3744 | usleep(1000); | |
3745 | ||
3746 | errno = 0; | |
3747 | if ((stat64(path, &statbuf) == 0) && (errno == 0)) | |
3748 | return (0); | |
3749 | } | |
3750 | ||
3751 | return (ENOENT); | |
3752 | } | |
3753 | ||
3754 | int | |
3755 | zpool_label_disk_check(char *path) | |
3756 | { | |
3757 | struct dk_gpt *vtoc; | |
3758 | int fd, err; | |
3759 | ||
3760 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) | |
3761 | return errno; | |
3762 | ||
3763 | if ((err = efi_alloc_and_read(fd, &vtoc)) != 0) { | |
3764 | (void) close(fd); | |
3765 | return err; | |
3766 | } | |
3767 | ||
3768 | if (vtoc->efi_flags & EFI_GPT_PRIMARY_CORRUPT) { | |
3769 | efi_free(vtoc); | |
3770 | (void) close(fd); | |
3771 | return EIDRM; | |
3772 | } | |
3773 | ||
3774 | efi_free(vtoc); | |
3775 | (void) close(fd); | |
3776 | return 0; | |
3777 | } | |
3778 | ||
34dc7c2f BB |
3779 | /* |
3780 | * Label an individual disk. The name provided is the short name, | |
3781 | * stripped of any leading /dev path. | |
3782 | */ | |
3783 | int | |
3784 | zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) | |
3785 | { | |
3786 | char path[MAXPATHLEN]; | |
3787 | struct dk_gpt *vtoc; | |
d603ed6c | 3788 | int rval, fd; |
34dc7c2f BB |
3789 | size_t resv = EFI_MIN_RESV_SIZE; |
3790 | uint64_t slice_size; | |
3791 | diskaddr_t start_block; | |
3792 | char errbuf[1024]; | |
3793 | ||
3794 | /* prepare an error message just in case */ | |
3795 | (void) snprintf(errbuf, sizeof (errbuf), | |
3796 | dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); | |
3797 | ||
3798 | if (zhp) { | |
3799 | nvlist_t *nvroot; | |
3800 | ||
b128c09f BB |
3801 | if (pool_is_bootable(zhp)) { |
3802 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3803 | "EFI labeled devices are not supported on root " | |
3804 | "pools.")); | |
3805 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); | |
3806 | } | |
3807 | ||
34dc7c2f BB |
3808 | verify(nvlist_lookup_nvlist(zhp->zpool_config, |
3809 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
3810 | ||
3811 | if (zhp->zpool_start_block == 0) | |
3812 | start_block = find_start_block(nvroot); | |
3813 | else | |
3814 | start_block = zhp->zpool_start_block; | |
3815 | zhp->zpool_start_block = start_block; | |
3816 | } else { | |
3817 | /* new pool */ | |
3818 | start_block = NEW_START_BLOCK; | |
3819 | } | |
3820 | ||
3821 | (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, | |
3822 | BACKUP_SLICE); | |
3823 | ||
d603ed6c | 3824 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) { |
34dc7c2f BB |
3825 | /* |
3826 | * This shouldn't happen. We've long since verified that this | |
3827 | * is a valid device. | |
3828 | */ | |
109491a8 RL |
3829 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
3830 | "label '%s': unable to open device: %d"), path, errno); | |
34dc7c2f BB |
3831 | return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); |
3832 | } | |
3833 | ||
3834 | if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { | |
3835 | /* | |
3836 | * The only way this can fail is if we run out of memory, or we | |
3837 | * were unable to read the disk's capacity | |
3838 | */ | |
3839 | if (errno == ENOMEM) | |
3840 | (void) no_memory(hdl); | |
3841 | ||
3842 | (void) close(fd); | |
109491a8 RL |
3843 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
3844 | "label '%s': unable to read disk capacity"), path); | |
34dc7c2f BB |
3845 | |
3846 | return (zfs_error(hdl, EZFS_NOCAP, errbuf)); | |
3847 | } | |
3848 | ||
3849 | slice_size = vtoc->efi_last_u_lba + 1; | |
3850 | slice_size -= EFI_MIN_RESV_SIZE; | |
3851 | if (start_block == MAXOFFSET_T) | |
3852 | start_block = NEW_START_BLOCK; | |
3853 | slice_size -= start_block; | |
613d88ed | 3854 | slice_size = P2ALIGN(slice_size, PARTITION_END_ALIGNMENT); |
34dc7c2f BB |
3855 | |
3856 | vtoc->efi_parts[0].p_start = start_block; | |
3857 | vtoc->efi_parts[0].p_size = slice_size; | |
3858 | ||
3859 | /* | |
3860 | * Why we use V_USR: V_BACKUP confuses users, and is considered | |
3861 | * disposable by some EFI utilities (since EFI doesn't have a backup | |
3862 | * slice). V_UNASSIGNED is supposed to be used only for zero size | |
3863 | * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, | |
3864 | * etc. were all pretty specific. V_USR is as close to reality as we | |
3865 | * can get, in the absence of V_OTHER. | |
3866 | */ | |
3867 | vtoc->efi_parts[0].p_tag = V_USR; | |
3868 | (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); | |
3869 | ||
3870 | vtoc->efi_parts[8].p_start = slice_size + start_block; | |
3871 | vtoc->efi_parts[8].p_size = resv; | |
3872 | vtoc->efi_parts[8].p_tag = V_RESERVED; | |
3873 | ||
b5a28807 | 3874 | if ((rval = efi_write(fd, vtoc)) != 0 || (rval = efi_rescan(fd)) != 0) { |
34dc7c2f BB |
3875 | /* |
3876 | * Some block drivers (like pcata) may not support EFI | |
3877 | * GPT labels. Print out a helpful error message dir- | |
3878 | * ecting the user to manually label the disk and give | |
3879 | * a specific slice. | |
3880 | */ | |
3881 | (void) close(fd); | |
3882 | efi_free(vtoc); | |
3883 | ||
d603ed6c BB |
3884 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "try using " |
3885 | "parted(8) and then provide a specific slice: %d"), rval); | |
34dc7c2f BB |
3886 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); |
3887 | } | |
3888 | ||
3889 | (void) close(fd); | |
3890 | efi_free(vtoc); | |
34dc7c2f | 3891 | |
d603ed6c BB |
3892 | /* Wait for the first expected slice to appear. */ |
3893 | (void) snprintf(path, sizeof (path), "%s/%s%s%s", DISK_ROOT, name, | |
3894 | isdigit(name[strlen(name)-1]) ? "p" : "", FIRST_SLICE); | |
3895 | rval = zpool_label_disk_wait(path, 3000); | |
3896 | if (rval) { | |
3897 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "failed to " | |
3898 | "detect device partitions on '%s': %d"), path, rval); | |
3899 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
34dc7c2f BB |
3900 | } |
3901 | ||
d603ed6c BB |
3902 | /* We can't be to paranoid. Read the label back and verify it. */ |
3903 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); | |
3904 | rval = zpool_label_disk_check(path); | |
3905 | if (rval) { | |
3906 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "freshly written " | |
3907 | "EFI label on '%s' is damaged. Ensure\nthis device " | |
3908 | "is not in in use, and is functioning properly: %d"), | |
3909 | path, rval); | |
3910 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
34dc7c2f | 3911 | } |
34dc7c2f | 3912 | |
d603ed6c | 3913 | return 0; |
34dc7c2f | 3914 | } |